There are 17 words that start with 'intru'.
| intrude | intrust | 
| intruded | intruder | 
| intrudes | intrusts | 
| intruders | intruding | 
| intrusion | intrusive | 
| intrusted | intrusions | 
| intrusives | intrusting | 
| intrusively | intrusiveness | 
| intrusivenesses | |
Note: These 17 words that start with 'intru' are found from the USA & Canada version of the tournament Scrabble word list.