How many letters does the top answer for “another word for interchangeable” have?

The most common answer is standardised (12 letters).

Crossword clue: another word for interchangeable

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

standardised 12 letters gen-syn

capable of replacing or changing places with something else; permitting mutual substitution without loss of function or

standardized 12 letters gen-syn

capable of replacing or changing places with something else; permitting mutual substitution without loss of function or

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase