Button Word Tracing Worksheet
A child who can already say "button" aloud on sight is ready to start tracing it — recognition usually comes before the hand can reliably reproduce the shape.
A child doesn't need to already know how to spell "button" to use this worksheet — the letters are laid out for tracing, which is exactly the step that comes before writing "button" from memory.
If "button" isn't quite the word you're looking for, the interactive word tracing tool linked on this page lets you type any word and generate a matching worksheet on the spot.