assume & assumption
ex. consume v. 花費
USAGE：These verbs signify to take something for granted or as being a fact.
presume 客觀的假設 (但還沒有事實根據 )
To presume is to suppose that something is reasonable or possible in the absence of proof to the contrary:
"I presume you're tired after the long run"
presuppose can mean to believe or suppose in advance:
"I presuppose students have background knowledge."
postulate and posit denote the assertion of the existence, reality, necessity, or truth of something as the basis for reasoning or argument:
"We postulate that light speed is constant, because it could explain many results of experiment"
To assume is to accept something as existing or being true without proof or on inconclusive grounds
"We assume he won't be angry"
assure & assured
ex. We assure our clients of an enjoyable holiday.
ex. John was assured of her ability to solve the problem.
Astronomy Any of numerous small celestial bodies that revolve around the sun, with orbits lying chiefly between Mars and Jupiter and characteristic diameters between a few and several hundred kilometers. Also called minor planet, planetoid.
a suffix meaning 「resembling,」 「like,」 used in the formation of adjectives and nouns (and often implying an incomplete or imperfect resemblance to what is indicated by the preceding element): alkaloid; anthropoid; cardioid; cuboid; lithoid; ovoid; planetoid.
often allergic disorder of respiration, characterized by bronchospasm, wheezing, and difficulty in expiration, often accompanied by coughing and a feeling of constriction in the chest.
ex. I was astounded that the mayor had taken bribes.
ex. astounding news
ex. We missed the track and went astray.
ex. The attractions of the big city soon led him astray.
note: 這個字是比較少使用，astringent是一種化學物質，可以使人體組織收縮，像是液體形式的astringent可以塗在皮膚上，來使皮膚收縮而停止流血。由於astringent通常味道是有點苦苦的(bitter)，所以後來也有指某些批評很嚴苛的形容詞之用，當然這又是比較少見的使用方式了。 ( 2014 補充)
string --> strang == draw tight 拉緊
straight (特) stress
strain v.拉緊 n.張力、壓力
con-strain v.強迫[to force, compel]、拘禁[to confine forcibly]
con-strict v.壓縮[To make smaller or narrower by squeezing.]
constringe = constrict
re-strain v.抑制[to hold back from action; repress: to restrain one's temper.]
v.監禁[to deprive of liberty]
re-strict v.限制[put a limit on...]
(Speed is restricted to 30 mph in towns.)