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

The most common answer is promo (5 letters).

Crossword clue: another word for promotion

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

promo 5 letters gen-syn

a message issued in behalf of some product or cause or idea or person or institution

publicity 9 letters gen-syn

a message issued in behalf of some product or cause or idea or person or institution

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