Word 1: Recluse (REK loos”, ri KLOOS)
Meaning 1:A person who leads a secluded or solitary life.
Example Sentence: He lived the life of a recluse atop a mountain in his hut.

Meaning 2: Keeping away from society or any social contact.
Example Sentence: Her circumstances forced her to live the life of a recluse.

Word 2: Recuse (ri KYOOZ)
Meaning 1: To remove (oneself) from participation to avoid a conflict of interest.
Example Sentence: The judge was not recused from the case.

Meaning 2: To declare oneself disqualified to act.
Example Sentence: The law permits the judges to recuse themselves on grounds of apparent bias.

Example Sentence using both words:
The old recluse is a retired judge who had recused himself several times on grounds of partiality during his career.