遡及
溯及
さっきゅう
そきゅう
noun (common) (futsuumeishi)
noun or participle which takes the aux. verb suru
tracing back
retroactivity
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早急
さっきゅう
そうきゅう
adjectival nouns or quasi-adjectives (keiyodoshi)
noun (common) (futsuumeishi)
nouns which may take the genitive case particle `no'
urgent
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