Common Words by Reading

フク
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assistant ②duplicate ③adverb
assistant ②duplicate ③adverb
deputy head ②executive officer (navy)
vice president (of a club or organization, organization)
second in command (of an army) ②vice-captain ③fourth athlete to compete in a 5-on-5 team competition (kendo, judo, etc.)
deputy secretary (government)
secondary armament (of a warship)
by-product ②spin-off
(secondary) tobacco smoke