12 Letter Words Containing O and Ending in UM
12 letter words with O that end in UM are fantastic for landing those big winning plays in your favorite word games, whether it's Words With Friends® or Scrabble®. Unleash those double or triple word scores by playing valuable words with O and words that end in UM.
19 Words With Friends® words
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12 Letter Word List
| cladophyllum | 30 | |
| cuprammonium | 30 | |
| perionychium | 27 | |
| hypogastrium | 25 | |
| praseodymium | 25 | |
| prothalamium | 25 | |
| pseudopodium | 25 | |
| spermagonium | 25 | |
| archesporium | 24 | |
| dolphinarium | 24 | |
| nielsbohrium | 23 | |
| protactinium | 23 | |
| appressorium | 22 | |
| nonpetroleum | 22 | |
| osteospermum | 22 | |
| mesogastrium | 21 | |
| moeritherium | 21 | |
| deinotherium | 20 | |
| radiothorium | 19 | |
Showing 19 of 19 words