かねちゃう
兼ねちゃう
kanechau

Ichidan Verb
Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of かねる

1. do/have/get ... and (unintentionally) end up...; do/have/get ... and (regretfully) end up...

Completed Action
Colloquial
Usually Written in Kana