Part of speech: Noun
a timid man or boy considered childish or unassertive
Pansy, Pantywaist, Sissy, Milquetoast, Milksop
The word "milksop" comes from Middle English milksop.
milk – A related word in the same word family.
sop – A related word in the same word family.
Many Middle English words had multiple spellings because standardization didn't exist yet.