As nouns the difference between amortization and instalment
is that amortization is the reduction of loan principal over a series of payments while instalment is (british|canadian).
amortization
English
Alternative forms
* (UK) amortisation
Noun
The reduction of loan principal over a series of payments.
The distribution of the cost of an intangible asset, such as an intellectual property right, over the projected useful life of the asset.
See also
* depreciation (of tangible assets)
* depletion (of natural resources)
*
*
* (projectlink)
* (projectlink)
instalment
English
Usage notes
* Both spellings common in Commonwealth countries outside the UK.
* US prefers installment.