How many letters does the top answer for “of or relating to rabbis or their teachings” have?

The most common answer is rabbinic (8 letters).

Crossword clue: of or relating to rabbis or their teachings

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

rabbinic 8 letters wn-def

of or relating to rabbis or their teachings

rabbinical 10 letters wn-def

of or relating to rabbis or their teachings

of or relating to hierophants or their teachings. 50% similar → hierophantic