How many letters does the top answer for “in big hero 6, what were baymax's motions modeled after” have?

The most common answer is baby (4 letters).

Crossword clue: in big hero 6, what were baymax's motions modeled after

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

baby 4 letters otdb

a very young child (birth to 1 year) who has not yet begun to walk or talk

penguins 8 letters otdb

short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as fli