We can try to measure this directly by computing variance for the vord frequencies.
Here are all anagram groups, where the group covers at least 0.1% of the entire VMS, sorted by variance (the first number):
Code:
15.76 0.10821939 5 alor [arol, alor, loar, olar, oral] (12, 7, 1, 11, 10)
34.4 0.15836984 15 cdehkoy [dokechy, dcheoky, okechdy, ykechod, oekchdy, ockhedy, chkeody, dchokey, chokedy, ekchody, okchedy, ckheody, chekody, kcheody, kechody] (1, 2, 4, 1, 1, 6, 1, 1, 3, 1, 25, 5, 3, 5, 1)
52.0 0.17420684 9 ceehky [kcheey, ekchey, chekey, kechey, chkeey, cheeky, keechy, ckheey, eeckhy] (5, 1, 7, 1, 13, 24, 3, 11, 1)
64.0 0.12141688 2 loor [olor, orol] (31, 15)
72.5 0.1055799 4 kloy [koly, ykol, okyl, olky] (3, 14, 1, 22)
76.0 0.1055799 5 cchhkoy [chckhoy, chockhy, ckhochy, chokchy, kchochy] (1, 21, 1, 16, 1)
76.22222 0.12141688 3 chklo [chkol, ckhol, kchol] (3, 22, 21)
81.80247 0.15573035 9 cehoty [ytcheo, chotey, otchey, eocthy, tochey, cheoty, choety, octhey, otechy] (1, 9, 31, 1, 1, 5, 1, 6, 4)
89.9375 0.17420684 8 cehkoy [ocheky, choeky, cheoky, okechy, chokey, okchey, ockhey, ykecho] (1, 1, 10, 6, 7, 32, 7, 2)
90.8 0.15836984 10 cdehoty [dcheoty, ctheody, tcheody, chotedy, octhedy, chetody, oetchdy, otchedy, otechdy, chteody] (1, 6, 6, 2, 2, 2, 1, 34, 5, 1)
109.43999 0.1003009 5 chloot [tochol, octhol, ctholo, chotol, otchol] (1, 1, 1, 7, 28)
112.5 0.1055799 4 ccehhty [chetchy, chtchey, checthy, chcthey] (4, 1, 28, 7)
112.80555 0.16100934 6 cdhoty [dchoty, otchdy, chtody, tchody, cthody, octhdy] (1, 30, 2, 8, 18, 2)
115.6875 0.12933537 4 cehloy [cheoly, ycheol, lochey, olchey] (5, 14, 1, 29)
120.240005 0.16628835 5 cehkoqy [qokechy, qockhey, qokchey, qoekchy, qocheky] (13, 18, 30, 1, 1)
132.5 0.12669587 4 adly [daly, aldy, ydal, dlay] (30, 14, 3, 1)
150.64 0.12405638 5 cdehty [cthedy, chetdy, chtedy, ytched, tchedy] (10, 1, 2, 1, 33)
162.56001 0.14253286 5 cehhksy [shkechy, shckhey, shkchey, sheckhy, shekchy] (1, 12, 1, 35, 5)
169.0 0.110858895 2 cdehpy [cphedy, pchedy] (8, 34)
186.0 0.11877739 5 ehksy [sheyk, sheky, kshey, ekshy, shkey] (1, 36, 6, 1, 1)
200.56001 0.12933537 5 cdehloy [dolchey, cheoldy, lcheody, olchedy, lochedy] (2, 5, 3, 38, 1)
202.5 0.23227577 4 chky [ckhy, kchy, chky, ykch] (39, 30, 18, 1)
232.66667 0.18212533 3 lor [olr, lor, rol] (6, 43, 20)
240.25 0.10821939 2 akry [ykar, kary] (36, 5)
244.1875 0.26922873 8 chkoy [ockhy, ykcho, chkoy, okchy, kchoy, choky, ychok, ckhoy] (13, 6, 1, 39, 2, 39, 1, 1)
247.5 0.14781186 4 eekloy [ykeeol, keeoly, olkeey, lokeey] (13, 1, 40, 2)
252.25 0.110858895 4 chos [scho, chos, ochs, chso] (1, 38, 1, 2)
256.6875 0.10821939 4 aiinor [aroiin, oiinar, roaiin, oraiin] (1, 1, 1, 38)
272.8889 0.10821939 3 klo [lko, kol, olk] (3, 37, 1)
280.22223 0.12141688 3 cdehkoqy [qockhedy, qokchedy, qokechdy] (4, 39, 3)
289.0 0.1003009 2 sy [sy, ys] (36, 2)
313.55557 0.16892783 6 cdehopy [ocphedy, pochedy, opchedy, pcheody, cpheody, podchey] (1, 2, 50, 7, 3, 1)
314.0 0.13461436 3 deekloy [olkeedy, lkeeody, lokeedy] (42, 6, 3)
317.1875 0.17684633 4 chort [cthor, chtor, otchr, tchor] (45, 2, 1, 19)
335.4722 0.26658925 6 cehty [techy, cthey, echty, chety, chtey, tchey] (1, 51, 1, 25, 1, 22)
353.1875 0.21907829 4 ccehhky [checkhy, chckhey, chekchy, chcheky] (47, 30, 5, 1)
355.55557 0.11349839 3 deekly [ykeedl, lkeedy, lkedey] (1, 41, 1)
356.1875 0.25603124 4 choty [ytcho, choty, octhy, otchy] (2, 37, 10, 48)
361.0 0.1055799 2 deooty [otedyo, oteody] (1, 39)
390.88892 0.14517236 3 dhsy [ydsh, shdy, dshy] (1, 46, 8)
392.66666 0.12669587 3 llo [lol, oll, llo] (44, 3, 1)
420.25 0.11349839 2 dety [tedy, etyd] (42, 1)
432.5 0.14781186 4 dehosy [sheody, ysheod, oshedy, dsheoy] (50, 2, 3, 1)
462.25 0.11877739 2 acdhiino [chodaiin, odchaiin] (44, 1)
462.25 0.12405638 2 eeky [ekey, keey] (2, 45)
481.5 0.14781186 4 aiilno [olaiin, loaiin, aloiin, oiinal] (52, 1, 2, 1)
484.0 0.12141688 2 cehly [cheyl, lchey] (1, 45)
485.1389 0.34577417 6 cehky [ckhey, ychek, kchey, chkey, kechy, cheky] (32, 1, 21, 8, 4, 65)
505.6 0.19796231 5 cdeehy [chedey, cheedy, chdeey, dcheey, echedy] (1, 59, 1, 13, 1)
506.25 0.12405638 2 doy [ody, oyd] (46, 1)
507.0 0.14781186 4 deeky [dkeey, keedy, ekedy, ykeed] (1, 53, 1, 1)
552.25 0.12933537 2 lot [tol, otl] (48, 1)
579.0 0.2111598 4 chlot [otchl, tchol, chtol, cthol] (1, 13, 5, 61)
614.0 0.15836984 3 als [als, sal, las] (4, 55, 1)
620.56 0.18740432 5 ekoy [okey, ykeo, keoy, eoky, oeky] (64, 3, 2, 1, 1)
625.0 0.14253286 2 eklooq [qokeol, qoekol] (52, 2)
625.0 0.23227577 2 chkoqy [qokchy, qockhy] (69, 19)
648.0 0.15045135 3 dhosy [dshoy, shody, oshdy] (1, 55, 1)
660.75 0.17420684 4 adiino [daiino, doaiin, odaiin, aiinod] (1, 3, 61, 1)
672.22217 0.15309085 3 cdhkoqy [qodckhy, qockhdy, qokchdy] (1, 1, 56)
684.6667 0.15836984 3 loy [yol, loy, oly] (2, 1, 57)
760.6667 0.16628835 3 chhksy [chkshy, shkchy, shckhy] (1, 2, 60)
784.0 0.15309085 2 eoty [otey, yteo] (57, 1)
784.0 0.15309085 2 ors [ors, sor] (1, 57)
784.0 0.18476482 2 choqty [qotchy, qocthy] (63, 7)
812.25 0.15573035 2 eekyy [yekey, ykeey] (1, 58)
924.22217 0.25867075 3 los [sol, los, ols] (75, 5, 18)
1121.5 0.22171779 4 cchhty [chchty, chtchy, cthchy, chcthy] (1, 2, 2, 79)
1152.0 0.19796231 3 dor [dor, rod, odr] (73, 1, 1)
1182.6399 0.26922873 5 cdehoy [ycheod, chodey, odchey, ochedy, cheody] (2, 2, 1, 8, 89)
1228.25 0.24811275 4 deehsy [dsheey, ysheed, sheedy, shedey] (8, 1, 84, 1)
1332.25 0.2032413 2 aiinr [ariin, raiin] (2, 75)
1537.8401 0.2850657 5 deeoty [teeody, oteedy, doteey, yteeod, toeedy] (4, 100, 1, 1, 2)
1681.0 0.22171779 2 kloo [olko, okol] (1, 83)
1713.6 0.39592463 5 chty [chty, tchy, ytch, cthy, chyt] (13, 24, 1, 111, 1)
1722.25 0.22435728 2 ars [sar, ras] (84, 1)
1922.0 0.25339174 3 cdhoy [ochdy, odchy, chody] (1, 1, 94)
1932.5 0.3061817 4 deekoy [kodeey, ykeeod, okeedy, keeody] (1, 2, 105, 8)
2098.64 0.33521616 5 dlo [dol, lod, odl, old, ldo] (117, 2, 4, 3, 1)
2352.25 0.26131025 2 adm [dam, amd] (98, 1)
2450.25 0.26658925 2 cehor [cheor, rcheo] (100, 1)
2594.0 0.37216914 3 dekoy [okedy, ykeod, keody] (118, 1, 22)
2610.75 0.32201868 4 cdehly [ychedl, lchedy, ldchey, chedyl] (1, 119, 1, 1)
2688.8884 0.3299372 3 oty [oty, yto, toy] (115, 5, 5)
2809.0 0.2850657 2 ekoqy [qoeky, qokey] (1, 107)
3192.25 0.3035422 2 ehlos [sheol, lsheo] (114, 1)
3540.5 0.39064562 4 cchhky [chkchy, chckhy, cckhhy, chchky] (6, 140, 1, 1)
4096.0 0.34313467 2 akor [koar, okar] (1, 129)
4160.25 0.34577417 2 hos [osh, sho] (1, 130)
4280.6665 0.48302802 3 cdhy [chdy, dchy, chyd] (152, 30, 1)
4294.2227 0.38272712 3 aort [otar, taor, toar] (141, 1, 3)
4692.25 0.37744814 2 eeoty [oteey, yteeo] (140, 3)
5006.0 0.43551707 3 deoty [yteod, teody, otedy] (2, 8, 155)
5041.0 0.38008764 2 alot [toal, otal] (1, 143)
5329.0 0.39064562 2 koqy [qkoy, qoky] (1, 147)
5776.0 0.4117616 2 aiinot [toaiin, otaiin] (2, 154)
6576.889 0.49358603 3 eekoy [oekey, okeey, ykeeo] (3, 177, 7)
7140.25 0.46719104 2 cehlo [lcheo, cheol] (4, 173)
8556.25 0.498865 2 hlos [shol, lsho] (187, 2)
10920.25 0.56749195 2 aiikno [koaiin, okaiin] (3, 212)
11990.25 0.58332896 2 chor [chor, rcho] (220, 1)
15625.0 0.67571133 2 adl [ald, dal] (3, 253)
17290.188 0.8156047 4 deekoqy [qekeody, qoekedy, qokeedy, qkeeody] (1, 2, 305, 1)
17956.0 0.7232223 2 dy [dy, yd] (271, 3)
18225.0 0.7232223 2 dekoqy [qokedy, qkeody] (272, 2)
19881.0 0.7496173 2 ehsy [shey, yshe] (283, 1)
29412.25 0.9106266 2 cehy [echy, chey] (1, 344)
30800.25 0.9317426 2 ar [ar, ra] (352, 1)
31684.0 0.992451 2 or [or, ro] (366, 10)
34672.887 1.0584384 3 chlo [olch, chol, lcho] (1, 397, 3)
42642.25 1.1640184 2 dehsy [shedy, dshey] (427, 14)
45738.188 1.3804572 4 cdehy [dchey, chedy, cheyd, yched] (18, 501, 1, 3)
68382.25 1.459642 2 lo [lo, ol] (15, 538)
113 anagram groups meet the "must represent at least 0.1% of the corpus" criterion.
Only 25 anagram groups meet the "must represent at least 0.1% of the corpus" criterion.