✅ Requirement refers to something that is necessary or mandatory (Meeting the deadline is a requirement for the project).
✅ Stipulation is a specific condition or requirement that must be met, often as part of a formal agreement (The contract included a stipulation about confidentiality).
✅ Both words describe something that is necessary.
✅ Requirement is more general, while stipulation is often legal or formal in nature (A requirement for the course was attendance; The stipulation ensured the terms of the agreement were followed).

✅ Messy means disorganized, untidy, or chaotic (Her desk was so messy she couldn’t find her pen).
✅ Unkempt refers to something that is not well-maintained or cared for, particularly in appearance (His unkempt hair looked like it hadn’t been brushed in days).
✅ Both words describe a lack of neatness.
✅ Messy is more general and applies to anything disordered, while unkempt is used more specifically for physical appearance or spaces (The kitchen was messy after the party; The unkempt garden was overgrown with weeds).

✅ Afterward means at a later time, after something else has occurred (We had dinner and went for ice cream afterward).
✅ Thereupon is a more formal term meaning immediately after something (The jury gave their verdict, thereupon the judge issued the sentence).
✅ Both words describe a sequence of events.
✅ Afterward is more casual and can refer to any point later in time, while thereupon suggests immediate action or consequence (We’ll meet for coffee afterward; Thereupon, the contract was signed).