There are 11 words that start with 'microa'.
| microampere | microamperes |
| microanalyst | microanatomy |
| microanalyses | microanalysis |
| microanalysts | microanalytic |
| microanatomies | microanalytical |
| microanatomical | |
Note: These 11 words that start with 'microa' are found from the USA & Canada version of the tournament Scrabble word list.