hole; hole; cup; (electron) hole
(corrugated) cardboard; cardboard box; carton
tank (of fluid); cistern; vat; tank (military vehicle)
thin; slender; fine; unlucky
stairs; stairway; staircase
highest; uppermost; topmost; oldest; eldest
to go up the stairs; to climb the stairs
can do nothing but ...; have no choice but to ...; there is nothing to do but ...; cannot help ...
narrow; tight; formal; stiff; constrained; uncomfortable
to ascend; to go up; to ascend (as a natural process, e.g. the Sun); to rise; to go to (the capital); to add up to; to advance (in price)
weapon; arms; ordnance; weapon (something used to gain an advantage); asset
supply; provision; raising; procurement
optional; voluntary; arbitrary; arbitrary
operation; functioning; running
attack; assault; criticism; censure; cyber attack (e.g. DDoS)
powerlessness; helplessness; incompetence; ineffectiveness
remote control; remote operation
ignition; catching fire; setting on fire
confession (to a crime, wrongdoing, etc.); admission; professing one's feelings (to someone one wants to go out with); declaration of love; profession (of faith); confession (of sins)
to put (into); to put away (in); to include (in an anthology, catalogue, etc.); to contain; to achieve (results, success, etc.); to obtain; to accept (a gift or money)
ignition; combustion; firing a blank cartridge; discharge of a gun without bullets; firing (of an event); triggering
quick; swift; nimble; quick (understanding, judgement, etc.); alert; prompt
in range; within the limits (of ...); within (a) range
to hold (in one's hand); to take (into one's hand); to own; to obtain
invincible; unrivaled; unrivalled; matchless; unbeatable; undefeatable
present day; modern times; recent times; early modern period (in Japan, usu. from the Meiji Restoration until the end of World War II)
device; contrivance; trick; trap; (small) scale; half finished; commencement
to operate (e.g. a machine); to handle; to have a good command of (a language); to play proficiently (of a musical instrument); to work (a puppet); to pull the strings of a puppet
possible; potential; practicable; feasible
ordinary person; run-of-the-mill people; John Doe; Jane Doe
fear; horror; risk; danger; awe; reverence
disabling; invalidation; nullification; vitiation
negligence; carelessness; inattention; unpreparedness
latest; newest; late-breaking (news)