Buy some butter.
In this context, 'like' is a verb.
A bread and butter speech is also known as an acceptance speech. This is something that is given when a person is elected to an office, or when a person has been given something.
In that sentence, was is being used as an auxiliary verb to help complete the passive verb phrase "was used".
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.