From the given pair of words, choose the one which do not carry the same relationship:

Severe : Critical

Monstrous : Tiny

The correct answer is Option 4:  Monstrous : Tiny which are opposite to each other.

Severe : Critical: These are synonyms, indicating a strong or intense degree.

"Rampant" and "Prevalent" both refer to something widespread or common, so they are synonyms.

"Cleric" and "Priest" both refer to a member of the clergy, so they are synonyms.

"Prison" and "Confinement" both refer to the state of being confined or imprisoned, so they are synonyms.

"Monstrous" and "Tiny" represent contrasting degrees of size or magnitude, so they are antonyms and not synonyms.