renal

As adjectives the difference between renal and undefined

is that renal is renal while undefined is lacking a definition or value.

As adjectives the difference between renal and nephrotic

is that renal is renal while nephrotic is pertaining to, resembling or caused by nephrosis.

As a noun nephron

is the basic structural and functional unit of the kidney, which filters the blood in order to regulate chemical concentrations, and thereby produces urine.

As an adjective renal is

pertaining to the kidneys.

As a noun rent

is a payment made by a tenant at intervals in order to occupy a property.

As a verb rent

is to occupy premises in exchange for rent.

As an adjective renal is

pertaining to the kidneys.

As a noun regal

is shelf.

As an adjective renal is

renal.

As adjectives the difference between renal and rental

is that renal is renal while rental is relating to rent.

As a noun rental is

(slang) short term for something that is rented.

As adjectives the difference between renal and penal

is that renal is renal while penal is penal, criminal.

As an adjective renal

is renal.

As a verb renail is

to nail something again.

As an adjective renal

is renal.

As a verb renay is

(obsolete) to deny; to disown.