singing voice; (sound of) singing
opposition; rivalry; competition; antagonism
interval; break; pause; gap (e.g. in the clouds); rift; cleft
sickroom; hospital room; ward
famous literary composition
exorcism rite; purification
exorcism rite; purification
two equal parts; exactly two parts
to shrug (shoulders); to duck (head); to draw back (body)
imagination; supposition; virtual; potential (enemy)
ramification; branching off
arranging in a line; standing in a row; parallel (electronics, computing, etc.)
pale; pallid; bluish-white
completely ordinary; plain; commonplace; everyday
strict; rigid; exact; fair; impartial
Herculean task; next-to-impossible undertaking
to hum (a tune); to sing to oneself; to croon
logic; reasoning; argument; line of argument
quick-witted; bright; rapid thinking
rate; ratio; comparatively; contrary to expectations
principle; theory; fundamental truth
distinction; discrimination; discernment; identification
to classify; to sort out; to sift through
gloomy (of a person); dark; cheerless
front-facing; forward-looking; positive; constructive
good (person, nature, etc.); good-natured; virtuous; honest
capacity; volume; capacitance
because; for; the reason why is ...
nature; the natural world; realm of nature