There are 17 words that start with 'iner'.
| inert | inerts |
| inertia | inertly |
| inerrant | inertiae |
| inertial | inertias |
| inerrable | inerrancy |
| inertness | inertially |
| inerrancies | inertnesses |
| ineradicable | ineradicably |
| ineradicability | |
Note: These 17 words that start with 'iner' are found from the USA & Canada version of the tournament Scrabble word list.