wūchán
учань
у1 чань2
http://www.chinese-russian.com/zd/ci/58133
wúchǎn
у2 чань3
http://www.chinese-russian.com/zd/ci/93983
wùchán
у4 чань2
http://www.chinese-russian.com/zd/ci/31141
wùchǎn
у4 чань3
http://www.chinese-russian.com/zd/ci/106892