Vocabulary consisting only from characters you are able to read
一秒
ichibyou
one secondmix
一言
hitokoto
one word, pair of words (short intercession)leda1
念願
nengan
one's heart's desire, earnest petitionsuru
生涯
shougai
one's lifetime (i.e. one's existence until death), one's careermix
出身校
shusshinkou
one's old school or university, alma mater, the school or university one attendedmix
独力
dokuryoku
one's own effortmix
自説
jisetsu
one's personal opinionmix
所有
shoyuu
one's possessions, ownershipsuru
職場
shokuba
one's post, place of work, workplacemix
平常心
heijoushin
one's self-possession, one's presence of mindmix
真面目な
majime na
one's true character, one's true self, oneself, seriousness, earnestness; one's true character, one's true self, oneself, seriousness, earnestness; (adj-na,n) diligent, serious, honest, sober, grave, mix
自分自身
jibunjishin
oneself, myselfmix
玉ねぎ
tamanegi
onion (edible plant, Allium cepa)mix
僅か
wazuka
only, merely, (a) little, small quantitymix
唯一
yuiitsu
only, sole, unique; only, sole, uniquemix
大山積命
oohoyamatsumi
oohoyamatsumi, god who rules mountain, sea, and warkami
大分県
ooitaken
Ooita (Oita) prefecture (Kyuushuu)namae
大神
ookami
Ookami, great godkami
大国主
ookuninushi
Ookuninushi, ruler of the unseen world of spirits and magickami
営業中
eigyouchuu
open (e.g. store)mise
露天風呂
rotenburo
open air bath/rotemburomix
原っぱ
harappa
open field/empty lot/plain/(P)leda1
直火
jikabi
open fire, direct heatmix
開放
kaihou
open, throw open, liberalization, liberalisationsuru
開店
kaiten
opening (of a shop)suru
開閉
kaihei
opening and shuttingsuru
開会
kaikai
opening of a meetingsuru
開通
kaitsuu
opening, open, taking effect, becoming activesuru
稼動
kadou
operation (of machine)/actual workmix
大作戦
daisakusen
operation, planmix
眼科
ganka
ophthalmologymix
反対
hantai
opposition, resistance, antagonism, hostility, contrast, objection, dissension, reverse, opposite, vice versajlpt3, jlpt4, leda1, suru
楽観的
rakkanteki
optimistic, hopefulemo
最適
saiteki
optimum, the most suitablemix
口承文学
koushoubungaku
oral literature, oral traditionmix
常微分方程式
joubibunhouteishiki
ordinary differential equationmath
鉱石
kouseki
ore, mineral, crystalmix
器官
kikan
organ (of body), instrumentmix
団体
dantai
organization, organisation, associationjlpt3
構成
kousei
organization, organisation, configuration, compositionsuru
主催
shusai
organization, organisation, sponsorshipsuru
体系化
taikeika
organization, organisation, systematization, systematisationsuru
原点
genten
origin (coordinates), starting pointmix
起源
kigen
origin, beginning, risemix
由来
yurai
origin, source, history, derivation, reason, destinyall
原意
gen'i
original meaningmix
原状
genjou
original statemix
目新しい
meatarashii
original, novel, newadj
独自
dokuji
original, peculiar, characteristic, proprietarymix
元来
ganrai
originally, primarily, essentially, logically, naturallymix
元祖
ganso
originator, founder, pioneer, inventormix
装飾品
soushokuhin
ornament, decorationmix
大阪府
oosakafu
Osaka (metropolitan area)namae
他
hoka
other (esp. places and things)/the restadj, leda1
外
hoka
other place, the restjlpt5
他府県
tafuken
other prefecturesmix
余人
yojin
others, other people; others, other peoplemix
乙姫
otohime
Otohime, daughter of Ryuujinkami
故障中
koshouchuu
out-of-ordermix
場違い
bachigai
out-of-place, inappropriate, sticking out like a sore thumbmix
州外
shuugai
out-of-statemix
宿
yado
outcasts (those from Kamakura period to the Edo period, common around the Kyoto region); inn, lodgingmix
屋外
okugai
outdoors, alfrescomix
外出
gaishutsu; sotode
outing, trip, going out; (n,vs) outing, trip, going outsuru
向こう
mukou
over there, opposite direction, across the wayjlpt3, jlpt5
優勝
yuushou
overall victory, championshipsuru