First, the meaning is different.
lend
Verb (abbreviation of verb) lending; Loans; Borrow (borrow).
loan
Lend. Borrow; Payment for supply.
Second, the usage is different.
lend
Lend basically means "borrow", and extension can also mean "provide", "help" and "add". It can be used as a transitive verb or an intransitive verb. When used as a transitive verb, it can take a noun or pronoun as an object or a double object, and its indirect object can be transformed into the object of the preposition to.
Lend can be followed by a reflexive pronoun and the preposition to. Reflexive pronouns refer to people, meaning "willingly agree to do something or participate in or conspire to do something"; Reflexive pronouns mean "suitable for a certain purpose, activity, etc." Lend can be used in the passive structure.
Would you please lend me your pencil?
Would you please lend me your pencil?
I can't lend you so much money.
I can't lend you so much money.
loan
Loan can be used as a transitive verb, meaning "borrow, borrow". Lend is often used instead of loan in American English.
A loan means "lending" ... as collateral.
Loan can be followed by a double object, and its indirect object can also be converted into the object of the preposition to.
The bank will provide him with a loan.
The bank will provide him with a loan.
I propose to repay the loan of 20 pounds a month.
I intend to repay the loan of 20 pounds a month.
Third, the emphasis is different.
lend
It means "borrow" Lend is the most common term.
As a verb, Lend means to lend one's own things to others, which can also be used metaphorically.
loan
It means "borrow" Loan refers to "borrowing" and "lending", which are formal terms in accounting and are generally not used for personal relationship lending, but in American English, loan and lend are commonly used.
As a verb, it means "borrowing", which means borrowing a lot of loans through formal procedures. In America, it can also refer to borrowing things.