In the English Grammar Profile, B1 point 44 in the category of DETERMINERS is defined as:
‘S after irregular plural nouns to indicate possession.
Here’s an expert example:
Women‘s organizations were active participants from the beginning.
A search in iWeb for:
_NN2 _GE _NN
We removed those that are not irregular.
1 CHILDREN ‘S HOSPITAL 34865
2 MEN ‘S BASKETBALL 22178
3 WOMEN ‘S BASKETBALL 19921
4 WOMEN ‘S HEALTH 17610
6 WOMEN ‘S RIGHTS 14744
7 CHILDREN ‘S BOOKS 11981
8 CHILDREN ‘S BOOK 11808
9 WOMEN ‘S SOCCER 9706
11 CHILDREN ‘S HEALTH 6631
12 WOMEN ‘S TEAM 6618
14 MEN ‘S SOCCER 6274
16 CHILDREN ‘S SERVICES 5619
17 WOMEN ‘S TENNIS 5609
19 WOMEN ‘S WORLD 5537
20 WOMEN ‘S DAY 5517
22 CHILDREN ‘S MUSEUM 5275
23 MEN ‘S TEAM 5177
24 MEN ‘S HEALTH 5127
25 CHILDREN ‘S LIVES 5016
26 CHILDREN ‘S LITERATURE 4633
27 WOMEN ‘S HOCKEY 4436
28 WOMEN ‘S GOLF 4386
29 WOMEN ‘S STUDIES 4317
30 CHILDREN ‘S PLAY 4287
31 MEN ‘S TENNIS 4263
32 CHILDREN ‘S EDUCATION 4207
33 WOMEN ‘S LACROSSE 4138
34 WOMEN ‘S HOSPITAL 3884
35 WOMEN ‘S CLOTHING 3728
36 MEN ‘S LACROSSE 3702
40 MEN ‘S GOLF 3399
42 CHILDREN ‘S RIGHTS 3140
43 WOMEN ‘S VOLLEYBALL 3076
44 MEN ‘S HOCKEY 3061
46 WOMEN ‘S ISSUES 2996
47 WOMEN ‘S MARCH 2987
48 WOMEN ‘S HISTORY 2929
49 CHILDREN ‘S ACTIVITIES 2850
50 WOMEN ‘S COLLEGE 2760
52 WOMEN ‘S TRACK 2549
53 WOMEN ‘S MOVEMENT 2536
56 WOMEN ‘S LIVES 2481
57 CHILDREN ‘S LEARNING 2440
58 WOMEN ‘S SUFFRAGE 2369
59 CHILDREN ‘S CHARITY 2363
61 MEN ‘S FASHION 2306
62 MEN ‘S CLOTHING 2268
63 WOMEN ‘S TEAMS 2253
64 WOMEN ‘S SIDE 2240
65 WOMEN ‘S FOOTBALL 2212
68 CHILDREN ‘S TOYS 2190
69 CHILDREN ‘S AID 2186
70 WOMEN ‘S SPORTS 2167
71 CHILDREN ‘S HOSPITALS 2153
72 CHILDREN ‘S PLAYGROUND 2151
73 WOMEN ‘S GAME 2147
74 MEN ‘S SIDE 2100
75 CHILDREN ‘S MINISTRY 2039
76 WOMEN ‘S BODIES 2037
78 WOMEN ‘S SWIMMING 2000
80 CHILDREN ‘S CLOTHING 1884
81 WOMEN ‘S LEADERSHIP 1868
83 WOMEN ‘S GROUPS 1848
84 WOMEN ‘S CROSS 1808
85 WOMEN ‘S FASHION 1805
86 CHILDREN ‘S DEVELOPMENT 1778
87 MEN ‘S ROOM 1751
88 WOMEN ‘S CHAMPIONSHIP 1746
89 WOMEN ‘S EMPOWERMENT 1746
90 WOMEN ‘S DIVISION 1738
91 CHILDREN ‘S SCHOOL 1731
96 MEN ‘S VOLLEYBALL 1697
97 CHILDREN ‘S CENTRE 1661
99 MEN ‘S SINGLES 1647
100 CHILDREN ‘S CHOIR 1643
B1 vocabulary:
championship, charity, development, education, issues, literature, services, singles, track