How many letters does the top answer for “of adjectives; placed before the nouns they modify” have?

The most common answer is attributive (11 letters).

Crossword clue: of adjectives; placed before the nouns they modify

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

attributive 11 letters wn-def

of adjectives; placed before the nouns they modify

prenominal 10 letters wn-def

of adjectives; placed before the nouns they modify