The difference between Though and Yet

When used as conjunctions, though means despite the fact that, whereas yet means nevertheless.

When used as adverbs, though means despite that, whereas yet means thus far.

Yet is also noun with the meaning: a metal pan or boiler.

Yet is also verb with the meaning: to melt.

check bellow for the other definitions of Though and Yet

Though as an adverb (conjunctive):

Despite that; however.

Examples:

"I will do it, though."
Though as an adverb (degree):

Used to intensify statements or questions; indeed.

Examples:

"Man, it's hot in here." — "Isn't it, though?"

Yet as an adverb (usually with negative):

Thus far; up to the present; up to some specified time.

Examples:

"He has never yet been late for an appointment; I’m not yet wise enough to answer that; Have you finished yet?"
Yet as an adverb:

Continuously up to the current time; still.

Examples:

"The workers went to the factory early and are striking yet."
Yet as an adverb:

At some future time; eventually.

Examples:

"The riddle will be solved yet."
Yet as an adverb (after certain copulative verbs, followed by an infinitive):

Not as of the time referenced.

Examples:

"I've yet to see him.'' — ''I have not yet seen him."

"I had yet to go to a convention.'' — ''I had not yet gone to a convention."

"He seemed yet to be convinced.'' — ''He seemed not yet to have been convinced."
Yet as an adverb:

In addition.

Examples:

"There are two hours yet to go until our destination."
Yet as an adverb (degree):

Even.

Examples:

"K-2 is yet higher than this."