自己じこ Common Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' self;oneself 彼は自己を没却する男ではない。 He knows how to assert himself.
自己中心じこちゅうしん Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' yojijukugo selfishness;egotism;egoism;egocentricity 彼は自己中心な人だ。 He is a self-oriented person.