The plural of calf is calves.
The general rule to form plural nouns is adding an -s at the end of the singular noun.
There are exceptions to this rule, regarding the last letters of the singular noun.
If the singular noun ends with an -f or -fe, to form the plural we must drop the -f or -fe and add -ive.
This explains why the plural of calf is calves.
Other examples of nouns ending in -f and -fe are:
You can learn more about plural nouns in the link below:
https://brainly.com/question/14427668
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