lend
貸 centers on giving something temporarily with the expectation of return: lending. The core idea is providing a resource to someone else for a limited time.
貸 combines 代 (substitute, replace) with 貝 (shell, money), suggesting the idea of money or goods being temporarily replaced or handed over. The modern form is consistent with this phono-semantic structure.
The top 代 means substitute, and the bottom 貝 means money. Imagine substituting your money by giving it to someone else temporarily: that's lending.
For タイ, picture a tie (ネクタイ) being lent to a friend: tie -> タイ, and the act of lending the tie reinforces the meaning.
loan; lending; hire; rental; lease
to lend; to loan
leasing (out); renting out; hiring out; letting
reserving (for exclusive use); (full) booking; chartering; block reservation
lending; loaning
loan; lending
loan
moneylending
lending and borrowing
loan; debit and credit; lending and borrowing
loan; advance
books for loan
renting; leasing
to lend; to loan; to let out on hire
usurer; usury; loansharking
house for rent
lender; creditor; landlord
lender
sublease; sublet
to lend; to loan