time vs dead

time and dead both are nouns.

Word	Noun	Adjective	Verb	Adverb
time	Yes	No	Yes	No
dead	Yes	Yes	No	Yes

As nouns, dead is a hyponym of time; that is, dead is a word with a more specific, narrower meaning than time:

time: an indefinite period (usually marked by specific attributes or activities)
dead: a time when coldness (or some other quality associated with death) is intense

Other hyponyms of time include day, hard times, incarnation, wee, patch, piece, spell, while, bit, minute, mo, moment, second, ephemera, space age.

time (noun)	dead (noun)
the continuum of experience in which events pass from the future through the present to the past	people who are no longer living
rhythm as given by division into parts of equal duration	a time when coldness (or some other quality associated with death) is intense
an instance or single occasion for some event
a person's experience on a particular occasion
an indefinite period (usually marked by specific attributes or activities)
the period of time a prisoner is imprisoned
a reading of a point in time as given by a clock
the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event
a period of time considered as a resource under your control and sufficient to accomplish something
a suitable moment

time (adjective)	dead (adjective)
	no longer having or seeming to have or expecting to have life
	not showing characteristics of life especially the capacity to sustain life; no longer exerting force or having energy or heat
	the complete stoppage of an action
	not surviving in active use
	physically inactive
	devoid of activity
	lacking resilience or bounce
	out of use or operation because of a fault or breakdown
	devoid of physical sensation; numb
	(followed by `to') not showing human feeling or sensitivity; unresponsive
	no longer having force or relevance
	unerringly accurate
	not circulating or flowing
	very tired
	drained of electric charge; discharged
	not yielding a return
	lacking acoustic resonance

time (verb)	dead (verb)
measure the time or duration of an event or action or the person who performs an action in a certain period of time
regulate or set the time of
adjust so that a force is applied and an action occurs at the desired time
assign a time for an activity or event
set the speed, duration, or execution of

time (adverb)	dead (adverb)
	completely and without qualification; used informally as intensifiers
	quickly and without warning; happening unexpectedly; on impulse; without premeditation