There are 343 words that start with 'micro'.
Note: These 343 words that start with 'micro' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with microp, microc, micros, microf, microb, microm, microt, microg, microa, microe, microi, microl, micron, microw, microv, microd, microh, micror, microo, microq.
6-letter words start with 'micro' (2)