How many letters does the top answer for “an irritating cutaneous sensation that produces a desire to scratch” have?

The most common answer is itch (4 letters).

Crossword clue: an irritating cutaneous sensation that produces a desire to scratch

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

itch 4 letters wn-def

scrape or rub as if to relieve itching

itchiness 9 letters wn-def

an irritating cutaneous sensation that produces a desire to scratch

itching 7 letters wn-def

an irritating cutaneous sensation that produces a desire to scratch