Whichever
Part of speech: determiner
Definition: Any one or a number of a group.
Part of speech: pronoun
Definition: Any one or a number of a group.
Whatever
Part of speech: adjective
Definition: Unexceptional or unimportant; blah.
Part of speech: interjection
Definition: A holophrastic expression used discourteously to indicate that the speaker does not consider the matter worthy of further discussion.
Part of speech: pronoun
Definition: Anything; used to indicate that the speaker does not care about options.
Part of speech: determiner
Definition: No matter which; for anyAnything that.
Example sentence: Whatever good things we build end up building us.