How many letters does the top answer for “of or on the right” have?

The most common answer is dextral (7 letters).

Crossword clue: of or on the right

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

dextral 7 letters wn-def

of or on the right

a claim of rights 50% similar → dibs

a writ of right. 50% similar → recto

farthest to the right 50% similar → rightmost

give the right to 50% similar → entitle

rotating to the right 50% similar → dextrorotary, dextrorotatory

rotation to the right 50% similar → dextrorotation