How many letters does the top answer for “lacking motor coordination; marked or caused by ataxia” have?

The most common answer is atactic (7 letters).

Crossword clue: lacking motor coordination; marked or caused by ataxia

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

atactic 7 letters wn-def

lacking motor coordination; marked or caused by ataxia

ataxic 6 letters wn-def

lacking motor coordination; marked or caused by ataxia