Sustantivos con plural irregular
- Algunos sustantivos tienen formas irregulares en plural
| Singular | Plural | Significado |
| man |
men | hombre |
| woman |
women | mujer |
| child |
children | niño |
| knife |
knives | cuchillo |
| wife |
wives | esposa |
| loaf |
loaves | barra de pan |
| life |
lives | vida |
| leaf |
leaves | hoja |
| foot |
feet | pie |
| tooth |
teeth | diente, muela |
| datum |
data | dato |
| thesis |
theses | tesis |
| analysis |
analyses | análisis |
| phenomenon |
phenomena | fenómeno |
| sheep |
sheep | borrego |
| shelf |
shelves | estante, repisa |
| wolf |
wolves | lobo |
| hypothesis |
hypotheses | hipótesis |
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