Daily word games to challenge your mind
A curated list of 9-letter words tailored to this exact pattern. Endings like SIS often mark word families—helpful to confirm tense or morphology. For example: acariasis, alkalosis, amaurosis.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| acariasis | 9 | 4 | |
| alkalosis | 9 | 4 | |
| amaurosis | 9 | 4 | |
| amebiasis | 9 | 4 | |
| anacrusis | 9 | 4 | |
| anamnesis | 9 | 4 | |
| ankylosis | 9 | 4 | |
| apheresis | 9 | 4 | |
| apophysis | 9 | 4 | |
| arthrosis | 9 | 3 | |
| asynapsis | 9 | 4 | |
| autolysis | 9 | 4 | |
| caryopsis | 9 | 3 | |
| catalysis | 9 | 4 | |
| catharsis | 9 | 3 | |
| chlorosis | 9 | 3 | |
| cirrhosis | 9 | 3 | |
| coreopsis | 9 | 3 | |
| cytolysis | 9 | 4 | |
| diaeresis | 9 | 3 | |
| diagnosis | 9 | 3 | |
| diaphysis | 9 | 3 | |
| diathesis | 9 | 3 | |
| eisegesis | 9 | 4 | |
| epiphysis | 9 | 4 | |
| epistasis | 9 | 4 | |
| exostosis | 9 | 4 | |
| fluorosis | 9 | 3 | |
| halitosis | 9 | 4 | |
| hemolysis | 9 | 4 | |
| heterosis | 9 | 4 | |
| homolysis | 9 | 4 | |
| katharsis | 9 | 3 | |
| keratosis | 9 | 4 | |
| kolbassis | 9 | 3 | |
| lipolysis | 9 | 4 | |
| lithiasis | 9 | 3 | |
| mydriasis | 9 | 3 | |
| nephrosis | 9 | 3 | |
| noncrisis | 9 | 3 | |
| oogenesis | 9 | 4 | |
| paralysis | 9 | 4 | |
| parchesis | 9 | 3 | |
| parchisis | 9 | 3 | |
| pertussis | 9 | 3 | |
| precrisis | 9 | 3 | |
| prognosis | 9 | 3 | |
| prolepsis | 9 | 3 | |
| proptosis | 9 | 3 | |
| prothesis | 9 | 3 | |
| psoriasis | 9 | 3 | |
| psychosis | 9 | 3 | |
| pyrolysis | 9 | 4 | |
| sannyasis | 9 | 3 | |
| sclerosis | 9 | 3 | |
| scoliosis | 9 | 3 | |
| silicosis | 9 | 4 | |
| syllepsis | 9 | 3 | |
| symbiosis | 9 | 3 | |
| symphysis | 9 | 3 | |
| syneresis | 9 | 4 | |
| synizesis | 9 | 4 | |
| synthesis | 9 | 3 | |
| taeniasis | 9 | 3 | |
| toxicosis | 9 | 4 | |
| vibriosis | 9 | 3 |
What’s typical about SIS-ending words?
SIS often marks suffix families; think about derivatives when guessing.
Do you include UK/US spellings?
Where they exist, both may appear.