As nouns the difference between terms and mummykins
is that terms is while mummykins is .
terms
English
Noun
(head)
Statistics
*
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mummykins
English
Alternative forms
* mommykins
Noun
References
* Google Books: [https://www.google.co.uk/search?biw=1280&bih=881&tbm=bks&sclient=psy-ab&q=%22mummykins%22&btnG=&oq=&gs_l=&pbx=1&gws_rd=cr&ei=gHyXVNCECMPTaP_BgYAK]