Plural

The plural of “explorer” is explorers. Most English nouns form the plural by adding -s, and explorer follows this rule.

The plural of “seal” is seals. Most English nouns form the plural by adding -s, and seal follows this rule.

The plural of “mister” is misters. Before names, the formal plural of Mr. is Messrs.

The plural of “grandpa” is grandpas. Most English nouns form the plural by adding -s, and grandpa follows this rule.

The plural of “millennium” is millennia. millennium comes from Latin, and like many Latin nouns ending in -um it changes the ending to -a.

The plural of “corn” is usually corn. It stays the same, because the word names a crop, not single grains.

The plural of “spider” is spiders. Most English nouns form the plural by adding -s, and spider follows this rule.

The plural of “omnibus” is omnibuses. Nouns that end in s, x, z, ch or sh add -es to make the plural, so omnibus becomes omnibuses.

The plural of “tortoise” is tortoises. Most English nouns form the plural by adding -s, and tortoise follows this rule.

“Mouses” is not the usual plural. The plural of “mouse” is mice, for animals and usually for computer devices too.