How many letters does the top answer for “discover or determine the existence, presence, or fact of” have?

The most common answer is detect (6 letters).

Crossword clue: discover or determine the existence, presence, or fact of

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

detect 6 letters wn-def

discover or determine the existence, presence, or fact of

notice 6 letters wn-def

discover or determine the existence, presence, or fact of

observe 7 letters wn-def

discover or determine the existence, presence, or fact of