Vocabulary consisting only from characters you are able to read
低下
ていか
fall, decline, lowering, deterioration, degradationsuru
過度の
かど の
excess, immoderationmix
砲
つつ
gun, rifle, small arms; gun, cannon, artillery, ordnancemix
変数
へんすう
variable (e.g. math), parametermix
高血圧
こうけつあつ
high blood pressure, hypertensionbyouki
切れ目
きれめ
break/pause/gap/end/rift/interruption/cut/section/notch/incision/end (of a task)/(P)leda1
一両
いちりょう
(1)one vehicle, (2)one ryou (an old coin) mix
赤字
あかじ
(1)deficit, (being in or going into) the red, (2)red text, red letters, (3)corrections (by a teacher or proofreader) written in red mix
汽船
きせん
steamship, steamboat, steamersensou
相応
そうおう
suitability, fitnessmix
不自由
ふじゆう
(1)discomfort, inconvenience, (2)poverty, want, destitution, (3)disability, impairment (physical, mental, etc.) jlpt3