“Alteration” in Japanese
Short answer
Alteration in Japanese is “変質” (henshitsu). Full meaning: alteration (of character or essence), change in quality, transformation, deterioration, degeneration, transmutation; perversion (esp. sexual).
Other ways to say “Alteration” in Japanese
変造
henzou alteration, defacement, debasement, falsification, forgery
改ざん
kaizan alteration, falsification, faking
替え
kae change, alteration, substitute, spare, replacement, proxy; rate of exchange
変わり
kawari change, alteration; difference, distinction; something wrong, abnormality, unusual event, accident, incident
改変
kaihen change, alteration, modification
改定
kaitei revision (of a rule, price, etc.), alteration, change
変移
heni change, alteration, transmutation, mutation
改訂
kaitei revision (of text), alteration, change
がえ
gae change, alteration, substitute, spare, replacement, proxy; rate of exchange
変更
henkou change, modification, alteration, revision, amendment
変易
hen'eki change, alteration
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