Cognate with Thai เข้าใจ (kâo-jai), Lao ເຂົ້າໃຈ (khao chai), Lü ᦃᧁᧉᦺᦈ (ẋaw2ṫsay), Tai Dam ꪹꪄ꫁ꪱ ꪻꪊ, Shan ၶဝ်ႈၸႂ် (khāw tsǎue).
ᨡᩮᩢ᩶ᩣᨧᩲ (khaw chai) (abstract noun ᨠᩣ᩠ᩁᨡᩮᩢ᩶ᩣᨧᩲ or ᨤ᩠ᩅᩣ᩠ᨾᨡᩮᩢ᩶ᩣᨧᩲ)