Choose the pair in which the words are differently related.

Answer: Option C

Explanation:

All others are synonyms.

Answer: Option B

Explanation:

In all other options second is the form in which first is preserved.

Answer: Option C

Explanation:

In all other options second is a part of first.

Answer: Option D

Explanation:

All except the Universe are part of Universe.

Answer: Option B

Explanation:

All except heart are in Pairs.