Vocabulary consisting only from characters you are able to read
円滑
enkatsu
smooth, undisturbed, uninterrupted, harmonious; (adj-na) smooth, undisturbed, uninterrupted, harmoniousmix
密輸
mitsuyu
smuggling, contraband tradesuru
巻貝
makigai
snail, spiral shellmix
雪祭り
yukimatsuri
snow festivalmix
吹雪
fubuki
snow storm, blizzardmix
白雪姫
shirayukihime
Snow Whitemix
雪渓
sekkei
snowy valleymix
軟らかい
yawarakai
soft, tender, limpadj
戦士
senshi
soldier, combatant, warriorsensou
単独
tandoku
sole, independence, single, solo (flight)mix
固体
kotai
solid (body), solid matter, solid-statekagaku
先ほど
sakihodo
some time ago, not long ago, just nowmix
何故か
nazeka
somehow, for some reason, without knowing whymix
者
mono
someone of that nature/someone doing that work; person (rarely used w.o. a qualifier)/(P); person (rarely used w.o. a qualifier)leda1
近々
chikadika
soon, nearness, before long; soon, nearness, before longmix
整理
seiri
sorting, arrangement, organization, putting in order, adjustment, regulation, liquidationjlpt3
音響
onkyou
sound, noise, echo, acousticsongaku
出典
shutten
source (e.g. quotation), authoritymix
水源
suigen
source of river, fountainheadmix
源
minamoto
source, origin; source, originmix
酸味
sanmi
sourness, aciditymix
南米
nanbei
South Americamix
南北
nanboku
south and northmix
南東
nantou; minamihigashi
southeast; southeastmix
南十字座
minamijuujiza
Southern Crossmix
南仏
nanfutsu
Southern Francemix
南西
nansei
southwest; southwestmix
余力
yoryoku
spare energy, time or money, remaining strength, reserve power, money to sparemix
大安売り
ooyasuuri
special bargain salemix
別項
bekkou
special heading, separate paragraphmix
特訓
tokkun
special training, intensive training, crash coursesuru
特殊
tokushu
special, uniquemix
専門店
senmonten
specialist shopsmix
分化
bunka
specialization, specialisationsuru
情景
joukei
spectacle, sight, scenemix
台詞
serifu
speech, words, one's lines, remarksmix
時速
jisoku
speed (per hour)mix
分速
funsoku
speed per minute
速度
sokudo
speed, velocity, ratemix
速やか
sumiyaka
speedy, prompt, smoothmix
自立心
jiritsushin
spirit of self-reliance, feeling of independencemix
意気
iki
spirit, heart, dispositionmix