How many letters does the top answer for “an unelaborated elementary awareness of stimulation” have?

The most common answer is esthesis (8 letters).

Crossword clue: an unelaborated elementary awareness of stimulation

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

esthesis 8 letters wn-def

an unelaborated elementary awareness of stimulation

sensation 9 letters wn-def

an unelaborated elementary awareness of stimulation