WHEN SINGULAR’S BECOME IRREGULAR PLURALS

If more than one oaf is oafs.

Why does more than one loaf become loaves?

If more than one brief are briefs.

Why does more than one thief become thieves?

If more than one house is houses.

Why does more than one mouse become mice?

If more than one sleep is sleeps.

Why does more than one sheep remain sheep?

If more than one boot, is boots.

Why does more than one foot become feet?

Just a few irregular thoughts when singular’s become plurals.