Most words ending in f change to ves in the plural.
To make words ending in ff plural, add s.
To make words ending in fe plural, use ves.
Sometimes a ves ending shows that a a word has changed from noun to
verb, e.g. belief – believes; grief – grieves; proof – proves.
Write the correct plural form for these nouns in the boxes below, then click "Finished" to see how well you did.
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