Arabic شَكّ

→ Arabic يقين (link)

→ Azerbaijani şəkk (borrowed)

→ Bashkir шик (derived)

→ Persian شک (borrowed)

→ Hindi शक (derived)

→ Hindi शक्की (mention)

→ Kazakh шек (derived)

→ Kazakh шәк (derived)

→ Phalura šak (derived)

→ Swahili shaka (derived)