As a noun response

is (senseid)an answer or reply, or something in the nature of an answer or reply.

As an adjective seroprevalent is

(medicine) that gives a positive response to a blood test for a specific disease.

As nouns the difference between water and xerophagy

is that water is (uncountable) a chemical, found at room temperature and pressure as a clear liquid, having the formula h₂o, required by all forms of life on earth while xerophagy is a restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.

As a verb water

is to pour water into the soil surrounding (plants).

As nouns the difference between punishment and xerophagy

is that punishment is the act or process of punishing, imposing and/or applying a sanction while xerophagy is a restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.

As nouns the difference between religious and xerophagy

is that religious is a member of a religious order, i.e. a monk or nun while xerophagy is a restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.

As an adjective religious

is concerning religion.

As a verb discipline

is .

As a noun xerophagy is

a restrictive diet (of bread and water, for example) as a punishment or religious form of discipline.

As adjectives the difference between distant and ultradistant

is that distant is far off (physically, logically or mentally) while ultradistant is extremely distant.

As nouns the difference between xenotransplantation and xenotransplant

is that xenotransplantation is xenotransplantation while xenotransplant is an instance of xenotransplantation.

As a noun xylene

is xylene (di-methyl-benzene).

As an adjective xylic is

(chemistry) pertaining to xylene.

Paraxylic is a related term of xylic.

As an adjective xylic is

(chemistry) pertaining to xylene.

As nouns the difference between xylene and xylol

is that xylene is any of a group of three isomeric aromatic hydrocarbons, di-methyl-benzene, found in coal and wood tar while xylol is xylene.