stain

As verbs the difference between con and stain

is that con is to study, especially in order to gain knowledge of while stain is to discolour something.

As nouns the difference between con and stain

is that con is a disadvantage of something, especially when contrasted with its advantages (pros) while stain is a discoloured spot or area.

As a proper noun Con

is a male given name, a diminutive form of Conor or Cornelius.

As an initialism CON

is Certificate of Need.

As nouns the difference between stain and cover

is that stain is while cover is cover version, cover song.

As nouns the difference between stain and blood

is that stain is while blood is .

As nouns the difference between sealant and stain

is that sealant is any material used to seal a surface so as to prevent passage of a fluid while stain is .

As nouns the difference between stain and strains

is that stain is a discoloured spot or area while strains is plural of lang=en.

As verbs the difference between stain and strains

is that stain is to discolour something while strains is third-person singular of strain.

As nouns the difference between speckle and stain

is that speckle is a small spot or speck on the skin, plumage or foliage while stain is a discoloured spot or area.

As verbs the difference between speckle and stain

is that speckle is to mark with speckles while stain is to discolour something.

As nouns the difference between stain and silk

is that stain is a discoloured spot or area while silk is a fine fiber excreted by the silkworm or other arthropod (such as a spider).

As verbs the difference between stain and silk

is that stain is to discolour something while silk is {{cx|transitive|lang=en}} To remove the silk from (corn).

As an adjective silk is

made of silk.

As nouns the difference between stain and reagents

is that stain is a discoloured spot or area while reagents is plural of lang=en.

As a verb stain

is to discolour something.

As nouns the difference between mordant and stain

is that mordant is any substance used to facilitate the fixing of a dye to a fibre; usually a metallic compound which reacts with the dye using chelation while stain is a discoloured spot or area.

As verbs the difference between mordant and stain

is that mordant is to subject to the action of, or imbue with, a mordant while stain is to discolour something.

As an adjective mordant

is having or showing a sharp or critical quality; biting; caustic; sarcastic; keen; severe.

Contaminate is a synonym of stain.

As a verb contaminate

is to introduce impurities or foreign matter to.

As a noun stain is

.