〜士(し)

し
suffix
qualified professional; -ist (suffix)
1. qualified professional; -ist; licensed specialist
Suffix attached to a noun to name a certified or licensed professional. Implies the field requires a formal qualification or examination.
弁護(べんご)士(し)に相談(そうだん)した。
I consulted a lawyer.
予報(よほう)士(し)になるためには試験(しけん)に合格(ごうかく)しなければならない。
To become a forecaster, you have to pass an exam.
祖父(そふ)は長年(ながねん)税理(ぜいり)士(し)として多(おお)くの会社(かいしゃ)を支援(しえん)してきた。
My grandfather worked for many years as a tax accountant supporting many companies.

Suffix forming occupational names for licensed or certified professionals. Carries a connotation of formal qualification — distinct from 〜家(か) (which emphasizes expertise or dedication) and 〜者(しゃ) (a generic 'person who does').

COMMON COMPOUNDS:

  • 弁護(べんご)士(し): lawyer
  • 会計(かいけい)士(し): certified public accountant
  • 税理(ぜいり)士(し): tax accountant
  • 予報(よほう)士(し): weather forecaster (certified)
  • 栄養(えいよう)士(し): dietitian
  • 保育(ほいく)士(し): licensed childcare worker
  • 建築(けんちく)士(し): licensed architect

SIMILAR WORDS:

  • 〜家(か): expert; -ist — emphasizes serious pursuit, no formal license required (芸術(げいじゅつ)家(か) artist)
  • 〜者(しゃ): -er; person who — neutral occupational suffix (記(き)者(しゃ) reporter)
  • 〜師(し): practitioner — for medical and craft fields (医(い)師(し) physician, 美容(びよう)師(し) hairdresser)
general
Added 2026.5.29 12:08
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