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Rhymes with protoceras
| Word | Syllables | Categories |
|---|---|---|
| protoplast | xxx | Noun |
| protoplasm | xxxx | Noun |
| proterozoic | xxx/x | Name |
| archaean | xxx | Name |
| fossils | /x | Noun |
| fossilized | /xx | Adjective |
| ammonites | /xx | Noun |
| paleontological | xxxx/xx | Noun |
| trilobites | /xx | Noun |
| paleozoic | xxx/x | Name |
| cretaceous | x/x | Name |
| precambrian | x/xx | Name |
| silurian | x/xx | Name |
