The term inside is to outside as interior is to exterior. Inside refers to the inner part of something, while outside refers to the outer part. Similarly, interior refers to the inner part of a space or object, while exterior refers to the outer part.
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is beneath
The part of speech for "answer" is a noun.
The Boner
The part of speech for "explicit" is an adjective.
The part of speech for "unfamiliar" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "breezy" is an adjective.