Vocabulary consisting only from characters you are able to read
円滑
えんかつ
smooth, undisturbed, uninterrupted, harmonious; (adj-na) smooth, undisturbed, uninterrupted, harmoniousmix
密輸
みつゆ
smuggling, contraband tradesuru
巻貝
まきがい
snail, spiral shellmix
戦士
せんし
soldier, combatant, warriorsensou
単独
たんどく
sole, independence, single, solo (flight)mix
固体
こたい
solid (body), solid matter, solid-statekagaku
先ほど
さきほど
some time ago, not long ago, just nowmix
何故か
なぜか
somehow, for some reason, without knowing whymix
者
もの
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
ちかぢか
soon, nearness, before long; soon, nearness, before longmix
整理
せいり
sorting, arrangement, organization, putting in order, adjustment, regulation, liquidationjlpt3
音響
おんきょう
sound, noise, echo, acousticsongaku
出典
しゅってん
source (e.g. quotation), authoritymix
水源
すいげん
source of river, fountainheadmix
源
みなもと
source, origin; source, originmix
酸味
さんみ
sourness, aciditymix
南北
なんぼく
south and northmix
南東
なんとう; みなみひがし
southeast; southeastmix
南仏
なんふつ
Southern Francemix
南西
なんせい
southwest; southwestmix
余力
よりょく
spare energy, time or money, remaining strength, reserve power, money to sparemix
大安売り
おおやすうり
special bargain salemix
分化
ぶんか
specialization, specialisationsuru
情景
じょうけい
spectacle, sight, scenemix
台詞
せりふ
speech, words, one's lines, remarksmix
時速
じそく
speed (per hour)mix
速度
そくど
speed, velocity, ratemix
速やか
すみやか
speedy, prompt, smoothmix
自立心
じりつしん
spirit of self-reliance, feeling of independencemix
意気
いき
spirit, heart, dispositionmix
結構
けっこう
splendid, nice, wonderful, delicious, sweet, construction, architecture, well enough, tolerablyjlpt3, jlpt5
分裂
ぶんれつ
split, division, break upsuru
お姫様
おひめさま
spoiled girl, hothouse flower, princessmix
大の字に
だいのじに
sprawled, spread-eagled, in the shape of the "dai" kanjimix
安定
あんてい
stability, equilibriumsuru
段階
だんかい
stairs; (n) stairs; grade, level, stage, class, phase, steps, order, gradationmix
林立
りんりつ
stand close togethersuru
基準
きじゅん
standard, basis, criterion, norm, reference, datummix
規準
きじゅん
standard, basis, criterion, norm, reference, datummix