exchange; interchange; switching; reciprocity; barter; substitution
telephone number; phone number
being very busy; busyness
feeling (much) obliged; being (very) grateful; feeling sorry (for troubling someone); feeling ashamed (e.g. of an error); (arch.) shrinking back in fear
not writing or contacting for a while; neglecting (failing) to write (call, visit, etc.); long silence
since; henceforth; ever since
telephone call; telephone (device)
being placed one upon another; piling up; superimposition; superposition; excellent; splendid
personal; individual; private
to be given; to be granted; to be honored with; to give; to bestow; to confer
pitiful; heartbreaking; heartrending; touching; tragic; sad
kidnapper; kidnaper; abductor
the philosophy of the European Enlightenment
principal offence; principal offense; principal offender
status; position; method; way; rule; regulation
disquieting; threatening; turbulent; restless; unsettled; disturbing
to chip; to nick; to break; to lack
thoughtless; rash; hasty; imprudent
destruction; disruption; (application) crash
world; society; life; lifetime; age; era; reign
ambiguous; polysemous; equivocal; having many meanings
double meaning; two meanings; amphibolous
having a single meaning; allowing only one interpretation; unequivocal; principal; primary; most important
had better ...; had better not ...
faculty of letters; college of letters; school of humanities
department (of a university or hospital); course (of study); branch of study; family
mistaking one person for another; (case of) mistaken identity
that kind of; of the sort; of the kind; such
principal occupation; core business
to keep (something) a secret; to keep hidden (forever); to continue to conceal
as one would expect; just as you'd expect (from); just like (someone)
words of praise; eulogy; compliment
(phenotypic) trait; (hereditary) character; allele
to breathe out; to breathe; to tell (a lie); to use (foul language); to vomit; to throw up
to not understand; to not (quite) know; to be unsure; to be unable to tell
interested person; volunteer; supporter
sharing; share (on social media); market share
outside the country; abroad
market (financial, stock, domestic, etc.); marketplace; exchange; (street) market
resemblance; similarity; analogy