system; lineage; ancestry; group (e.g. of colors) (colours); family (e.g. of languages); close (evolutionary) relationship
insufficient; inadequate; imperfect
solid; firm; stout; burly; strong; sturdy
appearing that; seeming that; looking like; having the appearance of
area of expertise; (one's) field; (one's) line
somehow (or other); for some reason; without knowing why; something (or other); some ... or other
to put to use; to make good use of; to exploit
possibly; apparently; (seem) likely; somehow or other; with difficulty; barely
worn-out; shabby; seedy; wrinkled-up; threadbare
long time; long interval; for quite some time
grant; allowance; endowment; bestowal; assignment; conferment
material; substance; matter
groping (for); fumbling around (for); searching (for an answer, solution, etc.); trying to find
indiscriminately; blindly; at random; indiscriminate; random; excessive
detailed; full; minute; knowing very well; knowledgeable (about); well-acquainted (with)
-ish; -like; resembling; appearing to be; seeming to be
one's nature; one's destiny; custom; tradition; habit
suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally
whole; all; general; gross; entire; overall
evacuation; emission (e.g. of CO2, etc.); ejection
hole; opening; pit; hollow; burrow; den; deficit
perhaps; possibly; maybe; if; in case; in the event that
breeding; multiplication; increase; propagation; reproduction
to be tied together; to be connected to; to lead to; to be related to; to be related (by blood)
appearance; (outward) looks; exterior appearance
companion; fellow; group; company; member of the same category (family, class)
organ (of body, plant, etc.)
even if ...; even supposing that ...; also as ...; also for ...; also from the position of ...
function; facility; faculty; feature
clearly; plainly; distinctly; to be clear; to be definite; to be certain
very likely; very probable
common knowledge; being well-known; making (something) well-known
poor-quality; shoddy; unskillful; inexpert; unlucky
good story; heartwarming story; good prospect (e.g. marriage, business)
suspicious; dubious; doubtful; unsure; untrustworthy; unreliable; strange
words of thanks; words of gratitude; acknowledgements; apology
it is not (like that) either
gag order; gag rule; gag law