Plurals of nouns ending in O
Most nouns ending in o form their plural by adding an s.
- All nouns ending in a double vowel: igloos, studios
- All abbreviated nouns: photos (photographs), discos (discotheques)
- The majority of musical nouns: solos, sopranos
- All nouns of Italian or Spanish origin: casinos, armadillos
BEWARE
There are 22 exceptions to this rule when forming plurals with nouns ending in O. These plural nouns end in es.
The frequently used words are in bold.
| buffaloes | mangoes |
|---|---|
| calicoes | mosquitoes |
| cargoes | noes |
| desperadoes | peccadilloes |
| dingoes | potatoes |
| dominoes | stuccoes |
| echoes | tomatoes |
| embargoes | tornadoes |
| heroes | torpedoes |
| innuendoes | vetoes |
| jingoes | volcanoes |
These plurals can be formed with either es or s at the end. Nice and easy. 🙂
| archipeligos | archipeligoes |
|---|---|
| Eskimos | Eskimoes |
| flamingos | flamingoes |
| frescos | frescoes |
| grottos | grottoes |
| halos | haloes |
| mementos | mementoes |
| mottos | mottoes |
| placebos | placeboes |
| provisos | provisoes |
| stilettos | stilettoes |
| zeros | zeroes |