to recall; to remember; to recollect
until now; so far; up to the present
to move; to shift; to inspire; to rouse; to change; to alter; to operate
mechanism; organization; organisation
doesn't amount to doing (something); not significant enough to require (something); unnecessary
power; motive power; dynamic force; three-phase electricity
leg; leg portion; foot (of a page)
structure; construction; makeup; framework; organization; pattern
to repeat; to be frequent
action of making something; -ification
operability; usability; user friendliness; ease of use; maneuverability; manoeuvrability
elevation; rise; improvement; advancement; progress
century; hundred years; (fig.) a long time
to open one's eyes wide (in astonishment, wonder, etc.); to be wide-eyed; to be amazed
to make progress; to develop; to evolve (method, style, etc.)
as a matter of fact; by the way; to tell you the truth; to be honest; frankly
root; source; origin; foundation; basis; essence
dot; spot; mark (in an exam, etc.); grade; point (in a game); score; point (in geometry)
to differ; to vary; to disagree
stone (of a fruit); pit; core (of an organization, team, etc.); nucleus; nuclear weapons; nucleus (of an atom); nucleus (of a cell)
energy; energy; strength; energy source; energy resource; food energy
classification; categorization; sorting
first; foremost; most important; best; greatest; above all
numerator; molecule; member; element
collapse; crumbling; breaking down; (radioactive) decay; disintegration
use; utilization; utilisation; application
laws of nature; physical laws; physics
adding up; totalling; totaling
to manufacture; to produce; to raise (crops); to invent; to dream up; to create
new; neo-; newness; novelty; Gregorian calendar; Xin dynasty (China, 9-23 CE)
vast; huge; immense; malva nut (Sterculia lychnophora)
quantity of heat (e.g. in calories, BTU, etc.); heat value; calorific value; (degree of) enthusiasm; zeal; passion
smallness; small item; short month (i.e. having fewer than 31 days); elementary school; smaller (of two things, places, etc. with the same name); inferior; younger (of two people with the same name)