noun

teeth

teeth

You should brush your teeth twice a day.

You should brush your teeth twice a day.

The baby is getting his first teeth.

The baby is getting his first teeth.

brush one's teeth the act of cleaning teeth You should brush your teeth.

Singular: tooth

From Old English 'tēþ', the plural of 'tōþ'. This is a common Germanic irregular plural formation (like foot/feet).

Remember the irregular plural: one tooth, many teeth. The double 'e' often signals a plural (geese, feet).

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