correction; revision; compensation (e.g. to a pendulum)
to enter; to go into; to break into; to join; to enroll; to contain; to hold
disadvantage; drawback; demerit; bad point; minus
choices; alternatives; options
effect; effectiveness; efficacy; effects (e.g. sound effects, visual effects, special effects)
system; lineage; ancestry; group (e.g. of colors) (colours); family (e.g. of languages); close (evolutionary) relationship
to examine; to look up; to investigate; to check up; to sense; to study
serious; not joking; straight
professional job; profession
strangeness; abnormality; disorder
vigilance; caution; alertness; precaution; being on guard
may; might; perhaps; may be; possibly
freebie (e.g. with a purchase); something additional; price reduction; discount; exaggeration
you could say; you might say; verging on the
substance; real form; main part; main unit; this machine; this appliance; object of worship (at a shrine, temple, etc.)
expansion; extension; enlargement; escape; ESC
component; factor; item (e.g. in list); element (e.g. in array); member (e.g. data structure)
heavy; weighty; heavy (feeling); depressed; slow; sluggish; important (position, responsibility, etc.)
constancy; integrity; fidelity; principle; faithfulness; honor
weapon; arms; ordnance; weapon (something used to gain an advantage); asset
piece; fragment; one (object)
bang; bam; noontime signal gun (carried out early Meiji to Taishō); noon gun; last round in a game of 12 rounds; precisely
to set up (a house, store, etc.); to build; to have at the ready (e.g. a gun); to hold in preparation (e.g. a camera); to adopt a posture; to assume a stance; to put on an air
yes; that is correct; um; errr; huh?; grrr
particularly; especially; in particular; expressly
to strike; to hit; to beat; to punch
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
to persevere; to persist; to insist that; to stick to (one's opinion); to remain in a place; to stick to one's post
so; therefore; accordingly; like I said; I told you already
probability; likelihood; chances
to rise; to go up; to enter (esp. from outdoors); to come in; to enter (a school); to advance to the next grade; to get out (of water)
equation; formula; ceremony; style; (arch.) enforcement regulations (of the ritsuryo)
main; principal; main dish; main course; main part; principal part
even if; even though; even; too; whether ... or ...; no matter (what, where, who, etc.)
as one would expect; just as you'd expect (from); still; all the same; even ... (e.g. "even a genius")