1 jacket

As a noun, it means jacket; Jacket; Skin; Protective seal; Insulating sheath. The transitive verb means to add a coat; Pack the envelope.

2. coat

Used as a noun to indicate a coat; Jacket; Layer; Epidermal transitive verbs mean to be painted; Coverage; Wrap it up.

Second, the usage is different.

1 jacket

(noun)

1) Jacket basically means "jacket with sleeves" and "jacket", which can also be interpreted as "potato skin" and "book cover".

2)jacket is a countable noun in the plural.

2. coat

(noun)

Coat is a countable noun, which basically means "coat, coat". Refers to men's coats or women's or children's clothes, usually with sleeves and buttons on the front. Extension can refer to "fur".

Verb (abbreviation of verb) (verb) 1)coat means "coat" when used as a noun, and it means "smear on the surface" when converted into a verb, emphasizing the act of smearing.

2)coat is a transitive verb followed by a noun or pronoun as the object. Can be used for passive structures.

Third, the etymology is different

1 jacket

This word came into English in the middle of15th century. It comes directly from the old French jaquet, which means jacket.

2. coat

This word came into English around 1300, and it came directly from the old French cote, which means coat.