Difference between Sustain and Nourish

SUSTAIN vs NOURISH: NOUN

A mechanism which can be used to hold a note, as the right pedal on a piano.
One who, or that which, upholds or sustains; a sustainer.
A capacity of a musical instrument to continue the resounding of a note or tone.
One who or that which upholds; a sustainer.

To affirm the validity of.
To experience or suffer.
To bear up under; withstand.
To support from below; keep from falling or sinking; prop.
To support the spirits, vitality, or resolution of; encourage.
To supply with necessities or nourishment; provide for.
To keep up (a joke or assumed role, for example) competently.
To keep in existence; maintain, continue, or prolong.
To keep from falling; to bear; to uphold; to support.
To prove; to establish by evidence; to corroborate or confirm; to be conclusive of.
To allow the prosecution of; to admit as valid; to sanction; to continue; not to dismiss or abate.
To suffer; to bear; to undergo.
To aid, comfort, or relieve; to vindicate.
To maintain; to keep alive; to support; to subsist; to nourish.
Hence, to keep from sinking, as in despondence, or the like; to support.

To cherish; to comfort.
To supply the means of support and increase to; to encourage; to foster
To support; to maintain.
To feed and cause to grow; to supply with matter which increases bulk or supplies waste, and promotes health; to furnish with nutriment.
To keep alive; maintain.
To foster the development of; promote.
To provide with food or other substances necessary for life and growth; feed.
To educate; to instruct; to bring up; to nurture; to promote the growth of in attainments.

To maintain; keep up; especially, to keep alive; support; subsist; nourish: as, provisions to sustain a family or an army; food insufficient to sustain life.
To keep from sinking in despondency; support.
To hold suspended; keep from falling or sinking: as, a rope sustains a weight; to sustain one in the water.
To hold up; bear up; uphold; support.
Be the physical support of
Carry the weight of
To sustain one's self; rest for support.
To endure without failing or yielding; bear up against; stand: as, able to sustain a shock.
To suffer; have to submit to; bear; undergo.
To admit or support as correct or valid; hold as well founded: as, the court sustained the action or suit.
To support in any condition by aid; vindicate, comfort, assist, or relieve; favor.
To support or maintain; establish by evidence; bear out; prove; confirm; make good; corroborate: as, such facts sustain the statement; the evidence is not sufficient to sustain the charge.
In music, of tones, to prolong or hold to full time-value; render in a legato or sostenuto manner.
See living.
8 and To sanction, approve, ratify, justify.
To bear; endure; suffer.

To nurse; suckle; bring up, as a child.
To promote the growth or development of in any way; foster; cherish.
To support; maintain, in a general sense; supply the means of support and increase to; encourage.
To bring up; educate; instruct.
To serve to promote growth; be nutritious.
To gain nourishment.
To feed; supply (a living or organized body, animal or vegetable) with the material required to repair the waste accompanying the vital processes and to promote growth; supply with nutriment.

Keep up, Have, Corroborate, Confirm, Get, Hold, Suffer, Affirm, Support, Substantiate, Keep, Prolong, Nourish, Nurture, Maintain

Rejuvenate, Fuel, Breed, Support, Populate, Foster, Create, Cherish, Eat, Feed, Cultivate, Nutrify, Aliment, Sustain, Nurture

Achieve, Survive, Hold up, Have, Corroborate, Confirm, Get, Hold, Suffer, Affirm, Support, Substantiate, Keep, Prolong, Nourish

Moisturize, Purify, Replenish, Rejuvenate, Fuel, Breed, Support, Populate, Foster, Create, Cherish, Eat, Feed, Cultivate, Nutrify

Kindle Worlds are unlikely to nurture or sustain.
Does not provide magical protection or mana sustain.
Can a Pope Help Sustain Humanity and Ecology?
Can we use sustain damage in informal contexts?
Sustain a healthy workplace culture and increase productivity.
Use cooperative instructional styles to promote sustain friendships.
How do you sustain such immaculate facial hair?
New Hampshire to sustain communities and the economy.
May all your love and memories sustain you.
Custodianmay sustain or might sustain resulting directly or indirectly from this investment.

They nourish your tresses from the inside out.
Taking prebiotics may nourish the natural GI flora.
Firm, smooth, and nourish skin while you sleep.
Step Lash Care System to thoroughly nourish lashes.
Caring educators respect and nourish this spirited independence.
Animal organic wastes nourish the bacteria of decay.
And I am not sure about the nourish.
God to nourish our bodies with junk food!
Fish Oil Helps Nourish Brain And Vision Development.
The same way you nourish collagen stores throughout your body will nourish your skin too.