かわり

The 連用形 (ren'yōkei, “continuative or stem form”) of verb かわる (kawaru, “to change; to be an exchange; to be a replacement or substitute”, intransitive).[1][2]

Attested since at least the mid-900s.[1]

• (Tokyo) かわり [kàwárí] (Heiban – [0])[2]
• IPA^(key): [ka̠ɰᵝa̠ɾʲi]

かわり • (kawari) 

exchange

1. 代わり, 替わり: [from mid-900s] substitution, substitute, replacement either a permanent change, or an alternating change, such as when taking turns

   Synonyms: 交代 (kōtai), 交替 (kōtai)

2. 代わり, 替わり: [from late 900s] an agent, a proxy taking the place of something else that should normally be in this place, possibly temporarily

   Synonym: 代理 (dairi)

3. 代わり, 替わり, 換わり: [from late 900s] an exchange, something else of roughly equivalent value, compensation

   Synonyms: 代償 (daishō), 引き換え (hikikae)

4. 代わり: [from late 1800s] a refill, seconds, of food or beverage

   Often found with the honorific prefix お (o-).

   お代(か)わりをどうぞ。

   Okawari o dōzo.

   Please help yourself to seconds.

change

1. 変わり, 渝わり: [from 1870s] a change in state or quality

   Synonyms: 変化 (henka), 変遷 (hensen)

2. 変わり: [from 1880s] something different, something unusual

   Synonyms: 異状 (ijō), 異変 (ihen)

3. 変わり, 渝わり: [from 1420] a difference between two things

   Synonyms: 違い (chigai), 差異 (sai)

4. 変わり, 渝わり: [from 1896] (textiles) a cloth that has been woven in a different way than usual

   Synonym: 変り織 (kawariori)