Japanese

Noun

パートナー ‎(romaji pātonā)

1. partner, someone who is associated with another in a common activity or interest
2. (sports, dance) partner

References

1. ↑ 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, ISBN 978-4-14-011112-3