Answer:

onym

Answer	Crossword Clue
ONYM	Name (suffix)
ONYM	Word suffix
ONYM	Suffix meaning "name"

ONYM	Word: Suffix
ONYM	Suffix meaning 'word'
ONYM	Word ending for word types
ONYM	Ending with pseud- or syn-
ONYM	Ending with syn- or ant-

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.