The suffixes -ed, -ee, -ing, and -ment can be added to the end of the word commit.

for which of the following do you not need to double the final consonant before adding the suffix?

commit + -ed
commit + -ee
commit + -ing
commit + -ment

Commitment.

Explanation:

A suffix is usually referred to as a group of letters or morpheme added at the end of a root word to form a new one. Different suffixes can be used with the root word 'commit' like -ee, -ed, -ing but in these suffixes, we need to double the consonant to form a derivative due to the final syllable being stressed. Thus, the only one among the given option without having to double the consonants is suffix -ment in the formation of word "commitment" as here the final syllable is not stressed. So, there is no need to double the consonants.

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explanation: