✅ Guy is an informal term for a boy or a man (That guy on the street is hailing a cab).

✅ Chap is also an informal term for a boy or a man, but it is chiefly used in British-speaking parts of the world (What a fine chap that Charlie is!)

✅ Both words address a fellow boy or man.

✅ Guy is definitely more common in American usage and slightly more neutral and less endearing than the British chap (Some guy was making a scene at the grocery store; My friend is such a good chap).

✅ Aim means to direct one's efforts or purpose towards achieving something (She aimed to finish her project by the end of the week).

✅ Intend means to have a plan or purpose in mind for something (He intends to start a new business next year).

✅ Both words describe having a goal or purpose.

✅ Aim often implies a more directed or focused effort, while intend can be more about the general planning or desire (She aimed at the target with precision; He intends to travel the world someday).

✅ Shaky means unsteady or trembling, often due to weakness or instability (His hands were shaky after the intense workout).

✅ Rickety means poorly made and likely to collapse or break (The old ladder looked rickety and unsafe to climb).

✅ Both words describe a lack of stability.

✅ Shaky can refer to both physical movements and emotional states, whereas rickety is usually used for objects (She felt shaky before her speech; The rickety chair creaked under his weight).