Haven't read everyone else's replies but my son said squat until about 20 months, then one day he had a huge word vomit and he hasn't come up for air since!
She sounds streets ahead to me!! Just keep talking to her and she will be fine
And fwiw ds had heaps of random words for things too. Train was din. Oh dear me was shortened to "oh dim" he called milk moop... The list goes on!