Question

Change the number of tooth

Answer 1

Answer:

The plural of tooth is teeth.

Answer 2

The number of 'tooth' is changed as follows - teeth.

The tooth represents 'one number', i.e. a singular noun. While teeth represent 'more than one number, i.e. a plural noun.

Regular plurals:

• 'Teeth' is an irregular plural as it does not follow the regular rules listed for plurals.
• Some rules for forming plurals:
• 's' is added at the end. e.g., tyre - tyres.
• 'es' is added at the end for the nouns ending with s, sh, c, or z. e.g., bus - buses, wash - washes, acoustic - acoustics
• 's' or 'es' is added at the end for the nouns ending with a consonant o. e.g., mango - mangoes, flamingo - flamingos
• 's' is added at the end for the nouns ending with a vowel o. e.g., taboo - taboos
• 'y' is replaced with 'ies' is for the nouns ending with a consonant y. e.g., baby - babies
• 's' is added at the end for the nouns ending with a vowel y. e.g., birthday - birthdays

The nouns following the above-mentioned rules are categorized under regular plurals while there are exceptions, which do not follow these rules. These are categorised under irregular plurals.