How many letters does the top answer for “in a maternal manner; as a mother” have?

The most common answer is maternally (10 letters).

Crossword clue: in a maternal manner; as a mother

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

maternally 10 letters wn-def

in a maternal manner; as a mother

motherly 8 letters wn-def

befitting a mother; warm and nurturing

in a manner of a mother. 67% similar → motherly