There are 13 words that start with 'insect'.
| insect | insects |
| insectan | insectary |
| insectile | insectaries |
| insecticide | insectivore |
| insecticidal | insecticides |
| insectivores | insectivorous |
| insecticidally | |
Note: These 13 words that start with 'insect' are found from the USA & Canada version of the tournament Scrabble word list.