How many letters does the top answer for “one related on the mother's side” have?

The most common answer is enate (5 letters).

Crossword clue: one related on the mother's side

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

enate 5 letters wn-def

one related on the mother's side

related on the mother's side 75% similar → enate, enatic

one related on the father's side 60% similar → agnate

on or to one side 50% similar → aside