Difference between Disinherit and Disown

DISINHERIT vs DISOWN: VERB

To exclude from inheritance or the right to inherit.
To deprive of a natural or established right or privilege.
To cut off from an inheritance or from hereditary succession; to prevent, as an heir, from coming into possession of any property or right, which, by law or custom, would devolve on him in the course of descent.
To deprive of heritage; to dispossess.

To refuse to own or acknowledge as belonging to one's self; to disavow or deny, as connected with one's self personally
To refuse to acknowledge or allow; to deny.
To refuse to acknowledge or accept as one's own; repudiate.

To deprive of an inheritance or of the right to inherit; prevent, as an heir, from coming into possession of property or right which by law or custom would devolve on him in the course of descent, as by an adverse will or other act of alienation, or by right of conquest.

Synonyms To disavow, disclaim, disallow, renounce.
Specifically, in the Society of Friends, to remove from membership; dismiss.
To deny; not to allow; refuse to admit.
To refuse to acknowledge as belonging or pertaining to one's self; deny the ownership of or responsibility for; not to own or acknowledge; repudiate.

Expropriate, Evict, Usurp, Alienate, Ostracise, Dispossess, Testate, Marry, Deprive, Inherit, Remarry, Predecease, Estrange, Bequeath, Disown

Vilify, Absolve, Ostracize, Betray, Denigrate, Denounce, Disassociate, Condemn, Disavow, Deny, Reject, Renege, Renounce, Repudiate, Disinherit

Subjugate, Disenfranchise, Exhereditation, Evict, Usurp, Alienate, Ostracise, Dispossess, Testate, Marry, Deprive, Remarry, Predecease, Estrange, Bequeath

Excommunicate, Castigate, Alienate, Estrange, Ostracise, Vilify, Ostracize, Betray, Denigrate, Denounce, Condemn, Deny, Reject, Repudiate, Disinherit

In theory, yes, you can disinherit your adult children.
You cannot disinherit your spouse or minor child.
Betsy was clear, she wanted to disinherit Stephen.
Is it possible to disinherit a forced heir?
Can a father disinherit daughter from ancestral property?
Fathers and mothers may not disinherit their children.
Should You Be Able to Disinherit Your Child?
In Utah, you cannot completely disinherit your spouse.
You can disinherit one adult child in favor of another or disinherit your adult children entirely in favor of a sibling or a friend.
In most states, you can disinherit a child, but you cannot completely disinherit a spouse.