How many letters does the top answer for “a small asexual spore that develops inside the cell of some bacteria and algae” have?

The most common answer is endospore (9 letters).

Crossword clue: a small asexual spore that develops inside the cell of some bacteria and algae

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

endospore 9 letters wn-def

a small asexual spore that develops inside the cell of some bacteria and algae