freely; at liberty; at will; as one likes
(your) words; what you say; what you have said; a few words (of welcome, advice, etc.)
measurement error; calculation error; discrepancy; deviation; difference
to be of benefit; to be beneficial; to be useful; to do one good; to be good for one
in the end; at the end of the day
to investigate thoroughly; to examine closely; to probe into; to be obsessed with a thought; to brood over; to worry about
process; procedure; sequence; protocol; instruction
to add (numbers); to add (something); to top up (with something); to take care of (e.g. one's business)
change; alteration; difference; distinction; something wrong; abnormality
leap; jump; stepping out into the wider world; becoming active on a wider stage; rapid progress; dramatic development
structure; construction; arrangement; plan; plot; contrivance
grave; solemn; stern; authoritative; hard (e.g. fact)
as a matter of fact; to tell the truth
point of view; viewpoint; standpoint; perspective; angle
starting point; origin; origin (of coordinate axes); datum point
look; appearance; spectacle; sight; observation meditation; outlook on ...
contradiction; inconsistency
unique; peculiar; singular
connotation; comprehension; intension; inclusion; containment within
law-like nature; regularity
establishment; settlement
versatility; multiplicity of use
flexibility; pliability; softness; elasticity
overspec; over-engineered; overqualified (job candidate)
to confuse (someone); to befuddle; to bewilder; to mystify; to throw up a smokescreen; (lit.) to surround with smoke
means; expedient; instrument; upaya (skillful means, methods of teaching)
speaking without thinking; words spoken without much thought
to be at a loss; to be puzzled
(practical) application; putting to practical use; applied (e.g. physics, linguistics, research)
context (of a passage); line of thought; context (of a matter, event, etc.); circumstances; background
to crunch; to masticate; to simplify; to explain plainly
to do over; to remake; to resume
to be somewhat different (from before, from others, etc.)
to add (one thing to another); to add (a few more words, an explanation, etc.)
regrettable; unfortunate; disappointing; vexing
obstacle; hindrance; impediment; nuisance; bore; burden
with profound (often hidden) meaning; pregnant with significance; meaningful; suggestive; interesting
to stop (doing); to cease; to desist; to drop; to lay off; to give up
malicious; vicious; malignant; shoddy; inferior; poor-quality
dated; date; date of effect (e.g. a rule change); fixed; external
inveiglement; cajolement; wheedling; enticement
absolutely; positively; decidedly