パーツpaatsu

1. nounpart; component
   弊社へいしゃは機械きかいパーツの輸入ゆにゅうを行おこなっています。↗

   We specialize in the import of machinery parts.

• Synonym部分ぶぶんNeutralA part or portion of a whole — the broadest term here. 「パーツ」 is for components of machines and models, and can also refer to body parts.
• Synonym部品ぶひんNeutralParts of machines and products — the closest word to 「パーツ」, but more formal and typical of industrial and manufacturing contexts.
• Synonym部分品ぶぶんひんWrittenA written, technical term for components of machines and appliances; used rarely, and everyday speech prefers 「部品」.
• Related一部いちぶNeutralOne part of something, or one volume of a book or a complete set; it stresses a quantity-wise portion and does not refer to components like 「パーツ」.
• Related一部分いちぶぶんNeutralA certain part of a whole, often a small one; it stresses a portion, and unlike 「パーツ」 it never means a machine part or component.
• RelatedパートNeutralA loanword with wide uses: parts, musical parts or roles, and part-time work; when you mean a component, 「パーツ」 is the word.
• RelatedセクションNeutralA loanword for departments, chapters or delimited sections of a whole; it stresses a divided block and does not refer to components.

Use 「パーツ」 for parts of machines, models and computers, as in 「自転車のパーツ」. For formal or industrial parts pick 「部品」; for a part of a whole use 「部分」 or 「一部」; for sections or departments, 「セクション」.

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

1. 部品ぶひん。
2. 身体しんたいの一部いちぶ。