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

The most common answer is thwartwise (10 letters).

Crossword clue: another word for transverse

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

thwartwise 10 letters gen-syn

extending or lying across; in a crosswise direction; at right angles to the long axis

transversal 11 letters gen-syn

extending or lying across; in a crosswise direction; at right angles to the long axis

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