How many letters does the top answer for “last of the seven canonical hours just before retiring” have?

The most common answer is complin (7 letters).

Crossword clue: last of the seven canonical hours just before retiring

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

complin 7 letters wn-def

last of the seven canonical hours just before retiring

compline 8 letters wn-def

last of the seven canonical hours just before retiring