幸甚[koujin] pleased
甚く[itaku] exceedingly
甚だ[hanahada] very
甚しい[hanahadashii] extreme
甚だ以て[hanahadamotte] exceedingly

甚句[jinku] lively song
甚大[jindai] very great
甚六[jinroku] dunce
甚い[itai] painful
劇甚[gekijin] intenseness

皆既蝕[kaikishoku] total eclipse (of sun by moon)
乾蝕[kanshoku] the rotting of lumber stored with poor air circulation
金環蝕[kinkanshoku] annular eclipse
月蝕[gesshoku] lunar eclipse
蝕む[mushibamu] to eat into (e.g. by worms)

侵蝕[shinshoku] encroachment
日蝕[nisshoku] solar eclipse
氷蝕[hyoushoku] glacial scouring
腐蝕[fushoku] corrosion
分蝕[bunshoku] partial eclipse