Vocabulary consisting only from characters you are able to read
言外
gengai
unexpressed, implied, implicitmix
不幸
fukou
unhappiness, sorrow, misfortune, disaster, accident, deathmix
宇宙
učuu
universe/cosmos/space/(P)mix
大学卒
daigakusocu
university graduate, college graduatemix
学長
gakučou
university presidentmix
不親切
fušinsecu
unkindness, unfriendlinessmix
未詳
mišou
unknown, unidentifiedmix
不詳
fušou
unknown, unidentified, unspecifiedmix
無印
mudžiruši
unlabeled, unbrandedmix
不運
fuun
unlucky, misfortune, bad luck, fatemix
無人島
mudžintou
unpopulated islandmix
空前
kuuzen
unprecedented, record-breakingmix
従来
džuurai
up to now, so far, traditional, existing (e.g. equipment)mix
上り列車
noboriretša
up train, trains going toward the capitaljlpt3
天王星
tennousei
Uranus (planet)mix
至急
šikjuu
urgent, pressingmix
緊急
kinkjuu
urgent, pressing, emergencymix
早急
sakkjuu; soukjuu
urgent; urgentmix
用途
jouto
use, usefulness, utility, service, purposemix
効用
koujou
use, utility, effect, benefitmix
使用
šijou
use/application/employment/utilization/utilisation/(P)leda1, suru
利用
rijou
use/utilization/utilisation/application/(P)jlpt3, jlpt4
無益
mueki
useless, futile, vainmix
無用
mujou
useless, futility, needlessness, unnecessarinessmix
利用者
rijouša
user, end-user, consumermix
失言
šicugen
using improper words, verbal slipsuru
普段
fudan
usual, habitual, ordinary, everyday, alwaysmix
奪取
datšu
usurpation, taking back, dispossessionsuru
器具
kigu
utensil, apparatus, implement, device, gadgetuchi
空席
kuuseki
vacancy, vacant seat, roommix
真空
šinkuu
vacuum, hollow, emptymix
有効
juukou
validity, legality, availability, effectivenessmix
貴重品
kičouhin
valuables/treasures/(P)mix
価値
kači
value, worth, meritmix
吸血鬼
kjuukecuki
vampire, bloodsuckerkami
変数
hensuu
variable (e.g. math), parametermix
種々
šudžu
variety; varietymix
脈管
mjakkan
vascular system, blood vessel, ductjlpt3
家臣
kašin
vassal, retainermix
精進料理
šoudžinrjouri
vegetarian cuisine originally derived from the dietry restrictions of Buddhist monksryouri
換気扇
kankisen
ventilation fanmix
験算
kenzan
verification of accounts, checking figures, arithmetic checksuru
朱色
šuiro
vermilion, scarletmix
春分の日
šunbunnohi
Vernal Equinox Holiday (Mar 20 or 21)toki
垂直
suičoku
vertical, perpendicularmix
甚大
džindai
very great, enormous, seriousmix
興味深い
kjoumibukai
very interesting, of great interestmix
多々
tata
very much, very many, more and more; (uk) in tufts, tuftymix
副会長
fukukaičou
vice president (of a club or organization, organisation)mix