自由【じゆう】
freedom, liberty
自宅【じたく】
one's home, one's house
自動車【じどうしゃ】
car, automobile, motorcar, motor vehicle, auto
自身【じしん】
(one's) self, oneself
自然【しぜん】
nature, natural, spontaneous, automatic, naturally, spontaneously, automatically
自分【じぶん】
myself, yourself, oneself, himself, herself, I, me, you
自ら【みずから】
oneself, oneself, for oneself, personally, in person
自衛隊【じえいたい】
Japan Self-Defense Forces, JSDF, self-defence force, self-defense force
独自【どくじ】
original, unique, distinctive, characteristic, peculiar, independent, one's own, personal
自治【じち】
self-government, autonomy, local (governmental) autonomy
自己【じこ】
self, oneself
自信【じしん】
self-confidence, confidence (in oneself)
自主【じしゅ】
independence, autonomy, self-reliance
自動【じどう】
automatic, intransitive verb
自転車【じてんしゃ】
bicycle, bike
自殺【じさつ】
suicide
自国【じこく】
one's own country
自立【じりつ】
independence, self-reliance
自衛【じえい】
self-defense, self-defence
不自由【ふじゆう】
discomfort, inconvenience, poverty, want, destitution, inability, disability, impairment (physical, mental, etc.), nonfluency (in a language)