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

The most common answer is pentacle (8 letters).

Crossword clue: another word for pentagram

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

pentacle 8 letters gen-syn

a star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon

pentangle 9 letters gen-syn

a star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon

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