Japanese

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For pronunciation and definitions of ふきゅう – see the following entries.
普及
[noun] diffusion
[verb] spread, diffuse, propagate
不朽
[noun] never fading; being enduring
(This term, ふきゅう (fukyū), is the hiragana spelling of the above terms.)

(The following entries are uncreated: 不休, 不急, 腐朽.)