time; hour; period; class
twelve o'clock; noon; midnight
interval; period of time; among; between; good opportunity; chance
(powers of) concentration; ability to concentrate
fall; decline; lowering; deterioration; degradation
sleeplessness; insomnia; wakefulness
strangeness; abnormality; disorder
cardioplegia; heart attack
evil thought; malicious motive
dizziness; giddiness; vertigo
convulsion; cramp; spasm; tic; twitch; fit
labored breathing; laboured breathing; dyspnea; dyspnoea
fatigue; weariness; exhaustion; tiredness
heart; guts; nerve; central part
blocking (e.g. the way); obstructing; block (lump of something (usu. square), area of town, etc.); block; physical record (e.g. on magnetic tape); concrete block; blocking (from view, esp. of websites, on social media, etc.)
the (four) limbs; arms and legs
cold feeling; psychroesthesia
lack of harmony; lack of balance; lack of coordination; ataxia