Vocabulary consisting only from characters you are able to read
野党
yatou
opposition party, political opposition, oppositionseiji
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
順序
junjo
order, sequence, proceduremix
体制
taisei
order, system, structure, set-up, organization, organisationmix
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
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
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
故障中
koshouchuu
out-of-ordermix
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
域外
ikigai
outside the areamix
向こう
mukou
over there, opposite direction, across the wayjlpt3, jlpt5
優勝
yuushou
overall victory, championshipsuru
飲み過ぎ
nomisugi
overdrinking, excessive drinkingmix
重なり
kasanari
overlapping, piling, stackingmix
持ち主
mochinushi
owner, proprietormix
太平洋
taiheiyou
Pacific Oceanmix
荷作り
nidukuri
packing, baling, cratingsuru
田んぼ
tanbo
paddy field, farmmix
苦しみ
kurushimi
pain, anguish, distress, suffering, hardshipmix
一対
ittsui
pair (of screens or vases, etc.)mix
提灯
chouchin
paper lantern, Chinese lantern, Japanese lanternmix
逆説的
gyakusetsuteki
paradoxicalmix
比類
hirui
parallel, equal, matchmix
役割
yakuwari
part, assigning (allotment of) parts, role, dutiesmix
部位
bui
part, position (in a whole, i.e. body)mix
参加者
sankasha
participant, entrantmix
別れ
wakare
parting/separation/farewell/(lateral) branch/fork/offshoot/division/section/(P)jlpt3
分割
bunkatsu
partition, division, separation, segmenting, splittingsuru
通過
tsuuka
passage through, transit, passingsuru
経過
keika
passage, expiration, progress, transitionsuru
件
ken
(1)(uk) the above-mentioned, the said, (man, incident, etc.) in question, (2)the usual; (3)matter, case, item, (ctr) (4)counter for cases, matters, etc. mix