First of all, the parts of speech are different:
1, poss: adverb: possessive case; Possibility; Yes.
2.pose: verb: reason, form; Pose; Pretend; Put forward ... for discussion. Nouns: posture, posture; Pretend.
Second, the emphasis is different:
1, poss:poss focuses on ideas and attitudes.
2.pose:pose focuses on behavior and action.
Third, the usage is different:
1, poss: As an adverb, it modifies nouns. Will it? Language? Difference? poss？ Answer? Question? What kind of problems will language differences cause?
2.pose: as an object, quote. She? Rearrange? By herself? Are you online? Another one? Pose. She posed again.
Fourth, the pronunciation is different:
Poss pronunciation: English [p? s]； Beauty [pɑs].
Pose pronunciation: English [PZ]; beautiful
Specific usage:
1, tell? They? I will? Is it? There? As? Soon? As? Poss。 Tell them I'll be there as soon as possible.
2. We will? Rush? It? Round? Today? What if? If possible, we hope to finish it today.
3. Me? Want it? It? Is it finished? As? Soon? As? poss？ Really. I really hope it can be finished as soon as possible.
4. What if? poss？ I will. Like what? That? The whole? Yes? It? Paint. I want to paint it all, if possible.
I will? Is it? There? What if? Poss。 If possible, I will go there.