How many letters does the top answer for “made of or covered with wax” have?

The most common answer is waxen (5 letters).

Crossword clue: made of or covered with wax

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

waxen 5 letters wn-def

made of or covered with wax

an effigy made of wax 50% similar → waxwork

made of turf; covered with turf. 50% similar → turfen