PARTNER OF ONE? Crossword Clue

We know 2 solutions for: PARTNER OF ONE?
Crossword Puzzle Infos
The term 'PARTNER OF ONE' can be solved by two crossword solutions: ONLY (4 letters) and ALL (3 letters). The term 'PARTNER OF ONE' implies a relationship between two people, where ONE person is the PARTNER of the other. The two solutions, ONLY and ALL, suggest that the PARTNER of ONE is exclusive and all-encompassing, respectively.
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