An aide is a person who assists others, while the noun aid is an inanimate object or form of relief that helps to achieve a goal.
The word passed is the past-tense form of the verb ‘to pass.’ In contrast, the word past is an adjective, adverb, noun, or preposition that generally conveys time or distance, not an action.
English speakers use the verb pay for two senses: the compensation sense and the nautical sense.
The words theatre and theater have different spellings, but they represent the same meanings.
The word let’s is a contraction of “let us,” while lets is written for the present tense in the singular, third-person perspective.
The word breathe is a verb (“to breathe") that describes the act of respiration, where living organisms inhale and exhale air through the lungs.
We often use the term “possum” to describe opossum and possum species, but possums are not the same animal as opossums.
The indefinite articles “a” and “an” modify different types of singular count nouns.