Category:English plurals in -ra with singular in -s

English plurals in -ra with singular in -s, mostly originating from Latin neuter nouns.

Sometimes the preceding vowel changes; e.g. -us commonly changes to -era or -ora in the plural. Plurals formed by replacing a final -rum or -ron with a final -ra are found in Category:English plurals in -a with singular in -um or -on.