IPA: /sɪˈnɒnɪmɪst/
KK: /sɪˈnɒnɪmɪst/
A person who studies or lists words that have similar meanings.
The synonymist provided a comprehensive list of words that could replace 'happy'.
Synonymist → It is formed from "syn-" (meaning together) and "onym" (from Greek "onoma", meaning name) and the suffix "-ist" (meaning one who practices or is concerned with). A synonymist is someone who deals with names that are the same or similar, hence someone who studies synonyms.
Think of 'together' ('syn-') and 'name' ('onym') to remember that a synonymist is someone who works with names that are similar.
No commonly confused words.