crevice; crack; spare moment; interval; chink (in one's armor, armour); unpreparedness
to go into; to come into; to penetrate; to become complicated
incomplete understanding; doubt; question; distrust; suspicion; strangeness
recognition; awareness; perception; understanding; knowledge; cognition
cutting; severance; section; amputation; disconnection
permission; approval; authorization; to permit; to authorize
to take over; to capture; to seize; to hijack (vehicle, account, etc.)
state; condition; situation; appearance; circumstances
firing (esp. a rocket or missile); launching; shooting; ejaculation
number; number plate; license plate
substance; real form; main part; main unit; this machine; this appliance; object of worship (at a shrine, temple, etc.)
strengthening; intensifying; reinforcement; enhancement; solidification
bombarding; shelling; bombardment
pattern; behavioural pattern; behavioral pattern; predictability
to grow up; to become an adult; to become big; to grow in size
assistance; support; subsidy; supplement; auxiliary; subsidiary
state; condition; the way things should be; ideal state; truth
when it becomes; when it comes to
scanning (e.g. TV); traversal
exterior; packaging; cladding; armor (armour); arm
creation; generation; formation; derivation
germination; sprouting; budding
to float; to rise to the surface; to stand out; to be visible; to be alienated
root (of a plant); root (of a tooth, hair, etc.); center (of a pimple, etc.); root (of all evil, etc.); source; one's true nature
underground; subterranean
to slip into; to crawl into (under); to conceal oneself (under); to sneak into; to infiltrate
branches and leaves; foliage; unimportant details; nonessentials; side issue
to twine around; to twist around; to coil around; to pester; to hassle
fixing (in place); being fixed (in place); fixing (e.g. salary, capital); keeping the same; fixation (histology); user name (on an online forum like 2ch where the majority of users post anonymously)
underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
deep; profound; dense; thick; close (relationship); intense; strong
to dive (into or under water); to get under; to get into; to hide oneself (esp. from the government); to conceal oneself
ground; earth; the solid earth; the (vast) land
almost; roughly; approximately
the entire strength; all hands; all the members
notification; official notice; directive (e.g. from higher to lower levels of the administration); being well versed (in); being proficient (in)
count; counting; count of balls and strikes; count (after a knock-down in boxing); count (of radioactivity)
execution (e.g. of a plan); carrying out; practice; action; implementation; fulfillment
shock (psychological); crisis (esp. financial); event that rattles the markets; shock (physical, mechanical); shock (e.g. due to lack of blood flow); trauma
in preparation (for); in case (of); in the lead-up (to)