Interstrains is valid Scrabble Word

Is interstrains a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words NO
Is interstrains valid Words with Friends?
Words with Friends YES

Definitions for INTERSTRAINS in dictionary:

Similar words containing TERSTRAIN without suffix s and without prefix in

interstrain11
Find what other words can be done using letters: "interstrains"
https://scrabble-word.com/finder/interstrains
SCRABBLE® is a registered trademark. We do not cooperate with the owners of this trademark. All trademark rights are owned by their owners and are not relevant to the web site "scrabble-word.com". This site is intended for entertainment and training. We try to make a useful tool for all fans of SCRABBLE. "Scrabble Word" is the best method to improve your skills in the game.