Difference between Stand Firm and Hold Out

STAND FIRM vs HOLD OUT: NOUN

To set something aside or save it for later.
To withhold something.
To survive, endure.
To wait, or refuse in hopes of getting something better (from a negotiation, etc.)
To hold (something) out; to extend (something) forward.
Continue to live; endure or last
Thrust or extend out
Stand up or offer resistance to somebody or something
Last and be usable
Wait uncompromisingly for something desirable

Firmly, Persevere, Determination, Strongly, Abide, Strength, Firmness, Stay, Insist, Stand pat, Stand fast, Hold firm, Withstand, Resist, Hold out

Foothold, Stagger, Rest, Put, Stability, Persist, Farms, Strongly, Strength, Persevere, Firmly, Abide, Stay, Insist, Resist

Stand firm in the most respectful way possible.
God said to stand firm on His Promises.
Danaans stand firm and unflinching against the Trojans.
You have to stand firm in your faith.
We stand firm on the basic evangelical beliefs.
Some people argued these severe executive orders were unconstitutional, but the president stood firm and told the people to stand firm too.
If you do not stand firm in faith, you shall not stand at all.
We can stand firm in our faith, and we can stand firm in our service to Christ.
Be Alert, Stand Firm, Stand Firm in the Faith, Be Strong.
Stand firm for Jesus, stand firm in the truth, let them laugh at you.

If Corse is there, he will hold out.
NFC North Breakdown: Will Dalvin Cook Hold Out?
Battery Life: How Long Must It Hold Out?
Does anyone know if that tech is coming out soon and if I should hold out for that?
To seek out the first Northern Lights of the season, hold out until November when the nights are longer and darker.
Hold out your hands with your palms showing and stretch them out in front of you.
The COG have to hold out until the time runs out.
Beverly holds out her hands, and after a moment Richie and Ben hold out theirs.
Just try and hold out for ending the game with this spell, or taking out a large, frustrating minion.
And then hold out long enough to fly every captured nuclear weapon out of the country.