確認する の訳語→ check claim decide find investigate recognize sure verify vouch
述べる の訳語→ acknowledge advance assert bubble deliver explain express maintain mention offer point produce provide recite say speak state suggest tell
請け合う の訳語→ assure guarantee promise reassurance
断言する の訳語→ affirm predicate swear
調べる の訳語→ breakdown clear count determine do examine explore extricate fish inventory learn look open probe process reference review search see shake sleuth study sus track understand
同意する の訳語→ accede agree concur underwrite