How many letters does the top answer for “a sheep up to the age of one year; one yet to be sheared” have?

The most common answer is hogg (4 letters).

Crossword clue: a sheep up to the age of one year; one yet to be sheared

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

hogg 4 letters wn-def

a sheep up to the age of one year; one yet to be sheared

hogget 6 letters wn-def

a sheep up to the age of one year; one yet to be sheared