Yes.
For loans, the primary amount is the principal, which must be repaid in addition to whatever interest is charged. Until the principal is completely paid, the loan agency will normally continue to charge interest.
An antichresis is an agreement by which the debtor gives his creditor the use of real property to be able to pay interest and principal of his debt.
Compound Interest
A fixed percent of the principal of a loan or investment is called a fixed interest. It is paid monthly or annually or whatever based on the agreement made.
amount
The Esperanto words for interest and principal are intereso and ĉefa.
simple interest
simple interest
Principal is the amount you borrowed and interest is the money you give them as a 'gift' for letting you loan their money.
The correct spelling is principal and interest. The principal is normally the amount borrowed, which is reduced by paying any amount exceeding the interest.
Simple interest is based on the original principle of a loan. Simple interest is generally used on short-term loans. Compound interest is interest added to the principal of a deposit or loan so that the added interest also earns interest from then on.
It is an increasing percentage as the repayment progresses. At the start, it is mostly interest and very little principal whereas near the end it is mostly principal and little interest.