How many letters does the top answer for “of or pertaining to a porism; poristic.” have?

The most common answer is porismatic (10 letters).

Crossword clue: of or pertaining to a porism; poristic.

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

porismatic 10 letters web-def

Of or pertaining to a porism; poristic.

porismatical 12 letters web-def

Of or pertaining to a porism; poristic.

of or pertaining to a porism; of the nature of a porism. 50% similar → poristic, poristical