• which
• whiche
• which's
• whiches
• whichaway
• whichever
• whichsoever
• which foot the shoe is on
• whichever way one slices it

which (suomeksi)

• mikä (pron: intpron / relpron / (interrogative) what, of those mentioned or implied / (relative) the one(s) that / (interrogative) what one or ones)
• kuka (pron: intpron)
• kumpi (pron: intpron / (interrogative) what, of those mentioned or implied / (interrogative) what one or ones)
• joka (pron: relpron / (relative) the one(s) that / (relative) who, whom, what)