There are 20 words that end with 'nyms'.
| anonyms | eponyms | exonyms |
| autonyms | acronyms | allonyms |
| antonyms | caconyms | homonyms |
| hyponyms | metonyms | paronyms |
| synonyms | toponyms | ethnonyms |
| retronyms | tautonyms | cryptonyms |
| heteronyms | pseudonyms | |
Note: These 20 words that end with 'nyms' are found from the USA & Canada version of the tournament Scrabble word list.