チェンジchenji

1. noun, suru verb, transitive verb, intransitive verbchange; changing
2. noun, suru verb, transitive verb, intransitive verbexchange (e.g. of goods)
3. noun, suru verb, transitive verb, intransitive verb, sportschange of sides (in baseball, American football, etc.)
4. noun, suru verb, transitive verb, intransitive verb, sportsswitching ends (in tennis, volleyball, etc.)

• Synonym入れ替えるいれかえるNeutralSwaps out the contents or changes order and roles, as in 「空気を入れ替える」; a native verb with wider use than 「チェンジ」.
• Synonym切り替えるきりかえるNeutralStops the current one and moves to another state or way, as in 「気持ちを切り替える」; the point is switching modes.
• Synonym差し替えるさしかえるNeutralSwaps one part for another, as in 「写真を差し替える」; mostly with documents, materials and manuscripts.
• Synonym切り替えきりかえNeutralNoun for switching or conversion, as in 「頭の切り替え」; stresses moving from one state to another.
• Synonym取り替えるとりかえるNeutralReplaces or swaps things, as in 「電池を取り替える」; common in daily speech, where 「チェンジ」 mostly appears in compounds.
• Synonym替えるかえるNeutralReplaces people or things, as in 「メンバーを替える」; a basic native verb with wider use than 「チェンジ」.
• SynonymスイッチNeutralLoanword; literally a switch, also used for switching, as in 「スイッチが入る」; common in speech, leaning to changing states.
• Synonym変換へんかんNeutralNoun for turning one form into another, as in 「漢字に変換」; common in computing and mathematics.
• Synonym引き換えるひきかえるNeutralGives one thing in exchange for another, as in 「券と引き換える」; centers on trading against something, and can mark contrast.
• SynonymコンバートNeutralLoanword for converting data formats, or moving a player to another defensive position; mostly computing and sports.
• Synonym変化へんかNeutralNoun for a state or quality becoming different from before, as in 「天気の変化」; natural or man-made alike, stressing the result of change.
• Synonym乗り換えるのりかえるNeutralTransfers from one vehicle to another, as in 「電車を乗り換える」; figuratively switching to another company or method.
• Synonym置き換えるおきかえるNeutralReplaces what is there with something else, or moves it to another spot, as in 「言葉を置き換える」.
• Synonym交換こうかんNeutralNoun for mutual exchange or swapping one thing for another, as in 「名刺交換」「部品交換」; more formal than 「チェンジ」.
• Synonym転換てんかんNeutralNoun for turning direction or policy to the other side, as in 「方針転換」「気分転換」; mostly for big shifts.
• Synonym変更へんこうNeutralNoun for deliberately modifying plans or settings, as in 「予定変更」; often seen in formal notices.
• Synonym交代こうたいNeutralNoun for rotating people or changing shifts, as in 「選手交代」; for substitutions it equals 「メンバーチェンジ」.
• Synonym移行いこうNeutralNoun for transitioning from one system or state to another, as in 「新制度への移行」; fairly formal.
• SynonymシフトNeutralLoanword for shifting weight or direction; also work shifts and scheduling, as in 「シフト勤務」.
• Synonym切り替わるきりかわるNeutralIntransitive: the thing that switches is the subject, as in 「画面が切り替わる」; the counterpart of transitive 「切り替える」.
• Synonym変移へんいWrittenWritten/formal prose; things gradually shift and change over time, close to 「変遷」 and rare; say 「変化」 in daily use.
• Synonym変わりかわりNeutralNoun for change or something out of the ordinary, as in 「特に変わりはない」「お変わりありませんか」; not about replacing.
• Synonym付け替えるつけかえるNeutralDetaches the old and fits a new one, as in 「ボタンを付け替える」; also reassigning an expense to another account.
• Synonymすげ替えるすげかえるWrittenSwaps the old for a new one, as in 「鼻緒をすげ替える」; also ousting personnel, as in 「首をすげ替える」; written/formal prose.
• Synonym取り替えっことりかえっこCasualColloquial; two sides swap what they are holding, with a friendly feel; 「チェンジ」 does not stress mutual exchange.
• Related変わるかわるNeutralIntransitive: the thing that changes is the subject, as in 「状況が変わる」; the most all-purpose word, while 「チェンジ」 mostly means actively replacing something.
• Related変動へんどうNeutralNoun for prices or figures fluctuating, as in 「価格変動」; intransitive, never expressing active replacing.
• Antonym維持いじNeutralAntonym: keeps the current level unchanged, as in 「現状維持」; the opposite of change-seeking 「チェンジ」.
• Antonym保持ほじNeutralAntonym: keeps holding a state or record over time, as in 「記録を保持する」; the opposite of changing 「チェンジ」.

Use 「チェンジ」 for replacing things or for changing sides on offense and defense, as in 「イメージチェンジ」. For everyday replacing say 「取り替える」, for switching modes 「切り替える」, for swapping people 「交代」. Nouns cover specific senses: 「変更」 deliberate revision, 「変換」 converting forms, 「交換」 mutual exchange, 「転換」 major turns, 「変化」 change itself. The intransitive 「変わる」 is the most general. The opposite is 「維持」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 変化へんか。
2. 交替こうたい。
3. 両替りょうがえ。