How many letters does the top answer for “pertaining to biology or to life and living things” have?

The most common answer is biologic (8 letters).

Crossword clue: pertaining to biology or to life and living things

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

biologic 8 letters wn-def

pertaining to biology or to life and living things

biological 10 letters wn-def

pertaining to biology or to life and living things