How many letters does the top answer for “an advocate of, or believer in, monarchy.” have?

The most common answer is monarchist (10 letters).

Crossword clue: an advocate of, or believer in, monarchy.

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

monarchist 10 letters web-def

an advocate of the principles of monarchy

a believer in, or advocate of, stahlism. 50% similar → stahlian

an advocate of, or believer in, philanthropinism. 50% similar → philanthropinist

an advocate of the principles of monarchy 50% similar → monarchist