Daily word games to challenge your mind
A curated list of 9-letter words tailored to this exact pattern. Endings like OID often mark word families—helpful to confirm tense or morphology. For example: aneuploid, arachnoid, arytenoid.
| Word | Definition | Length | Syllables |
|---|---|---|---|
| aneuploid | 9 | 3 | |
| arachnoid | 9 | 3 | |
| arytenoid | 9 | 4 | |
| bacteroid | 9 | 3 | |
| benzenoid | 9 | 3 | |
| carcinoid | 9 | 3 | |
| celluloid | 9 | 3 | |
| chancroid | 9 | 2 | |
| condyloid | 9 | 3 | |
| coralloid | 9 | 3 | |
| corticoid | 9 | 3 | |
| cycadeoid | 9 | 3 | |
| demantoid | 9 | 3 | |
| echiuroid | 9 | 3 | |
| ellipsoid | 9 | 3 | |
| erythroid | 9 | 3 | |
| euglenoid | 9 | 3 | |
| eunuchoid | 9 | 3 | |
| eutectoid | 9 | 3 | |
| euthyroid | 9 | 3 | |
| fibrinoid | 9 | 3 | |
| flavonoid | 9 | 3 | |
| gneissoid | 9 | 2 | |
| granitoid | 9 | 3 | |
| hexaploid | 9 | 3 | |
| hypoploid | 9 | 3 | |
| hysteroid | 9 | 3 | |
| leukemoid | 9 | 3 | |
| metalloid | 9 | 3 | |
| meteoroid | 9 | 3 | |
| mongoloid | 9 | 3 | |
| monoploid | 9 | 3 | |
| nautiloid | 9 | 3 | |
| octoploid | 9 | 3 | |
| ophiuroid | 9 | 3 | |
| planetoid | 9 | 3 | |
| polyploid | 9 | 3 | |
| pterygoid | 9 | 3 | |
| quinonoid | 9 | 3 | |
| salmonoid | 9 | 3 | |
| sangfroid | 9 | 2 | |
| scombroid | 9 | 2 | |
| terpenoid | 9 | 3 | |
| thylakoid | 9 | 3 | |
| trapezoid | 9 | 3 |
What’s typical about OID-ending words?
OID often marks suffix families; think about derivatives when guessing.
Do you include UK/US spellings?
Where they exist, both may appear.