IPA: /ˌoʊvərˈfɒnd/
KK: /oʊvərfɑnd/
Having an excessive or overly strong affection or liking for someone or something.
She was overfond of her pet cat, often spoiling it with treats and toys.
Overfond → It is formed from "over-" (meaning excessively) and "fond" (from Old French *fondre*, meaning to melt or to be affectionate). The word "overfond" means excessively affectionate or overly loving.
Think of being 'excessively' ('over-') 'affectionate' ('fond') — that's why overfond means being overly loving.
No commonly confused words.