There are 13 words that end with 'cosis'.
mycosis | sycosis |
narcosis | silicosis |
toxicosis | varicosis |
psittacosis | actinomycosis |
blastomycosis | cysticercosis |
cryptococcosis | echinococcosis |
thyrotoxicosis | |
Note: These 13 words that end with 'cosis' are found from the USA & Canada version of the tournament Scrabble word list.