✅ Accompany means to go along with or be present with someone or something (She will accompany her friend to the event).

✅ Complement refers to something that completes or enhances another thing (The wine perfectly complemented the cheese).

✅ Both words describe how one thing interacts with or supports another.

✅ To accompany is to be there in a supporting role, while to complement is to enhance or complete something to a most satisfying level (The musician accompanied the singer; This emerald shirt complements your green eyes).

✅ Authorized means officially permitted or approved (They were authorized to access the secure area).

✅ Accredited means officially recognized or certified, often by a professional body (The university is accredited by the national board).

✅ Both terms involve official recognition or permission.

✅ Authorized refers to being given permission, while accredited implies formal certification or recognition (I was authorized to make important decisions; She’s an accredited medical practitioner).

✅ Rival refers to someone competing for the same goal or position (The two companies are fierce rivals in the tech industry).

✅ Adversary denotes an opponent or enemy in a conflict or competition (The lawyer faced a tough adversary in court).

✅ Both terms describe opponents or competitors.

✅ Rival is often used in contexts of competition, while adversary can imply a more antagonistic relationship (The rivals competed for the championship; Attila the Hun was a brutal adversary of the Romans).