to succeed; to relieve; to take the place of; to substitute for; to be exchanged; to change (places with)
study; research; investigation
air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand out at all
through; throughout; in the course of; all over or throughout (e.g. a place)
to live; to exist; to make a living; to subsist; to be in effect; to be in use
system; lineage; ancestry; group (e.g. of colors) (colours); family (e.g. of languages); close (evolutionary) relationship
attenuation; damping; decay
(United States of) America; United States; US; America (land mass); the Americas
certain; one; (arch.) I; (arch.) me
aeroplane; airplane; aircraft
manufacturer (esp. a major company); producer; maker; device for making things; person who creates things
acquisition; obtaining; gaining possession; purchase
patent; special permission; licence (license); proprietary
story; tale; narrative; account; fable; legend
enthusiast; mania; enthusiasm
explosion; detonation; eruption; eruption (of discontent, etc.); outburst; outpouring
car; automobile; vehicle; wheel
by (means of); by doing; due to; via; through
to bend; to curve; to bend (the truth); to falsify; to corrupt; to sully
to breathe out; to breathe; to tell (a lie); to use (foul language); to vomit; to throw up
conclusion; decision; judgement; affirmative
cheap-looking; tawdry; insignificant
pity; sorrow; pitiable; pitiful; alack; alas
sky; the skies; high-altitude sky; upper air
to ask again; to repeat one's question; to ask back; to ask in return; to counter
vague; obscure; indistinct; hazy; ambiguous
to overdo; to do too much
revival; restoration; resuscitation
to fix (a time, date, etc.); to set; to expect; to hope for; to resolve (to do); to decide upon
of tender years; very young
leader; boss; upper part of a flag; (Okinawa) bamboo poles with an attached vertical flag and an elaborate display at the top that are used during the annual fertility and thanks-giving festivals
manly; sportsmanlike; pure (heart, actions, etc.); upright; (arch.) unsullied (e.g. scenery or object); (arch.) pure
to be ruined; to go under; to perish; to be destroyed
choice; selection; diagnosis; medical opinion; judgement; opinion
to slip out; to sneak away; to break into the lead; to get ahead; to begin to fall out (e.g. hair); to break out (of a loop)