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

The most common answer is femoris (7 letters).

Crossword clue: another word for femur

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

femoris 7 letters gen-syn

the longest and thickest bone of the human skeleton; extends from the pelvis to the knee

thighbone 9 letters gen-syn

the longest and thickest bone of the human skeleton; extends from the pelvis to the knee

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