As nouns the difference between ladders and stair

is that ladders is while stair is a single step in a staircase.

As nouns the difference between nails and screws

is that nails is plural of lang=en while screws is plural of lang=en.

As a verb screws is

third-person singular of screw.

In transitive computing terms the difference between inline and align

is that inline is to optimize using in-line expansion while align is to store (data) in a way that is consistent with the memory architecture, i.e. by beginning each item at an offset equal to some multiple of the word size.

As an adjective inline

is an alternative spelling of lang=en.

In chemistry terms the difference between ph and salinity

is that ph is the negative of the logarithm to the base 10 of the concentration of hydrogen ions, measured in moles per liter; a measure of acidity or alkalinity of a substance, which takes numerical values from 0 (maximum acidity) through 7 (neutral) to 14 (maximum alkalinity) while salinity is the concentration of salt in a solution.

As an abbreviation pH

is the negative of the logarithm to the base 10 of the concentration of hydrogen ions, measured in moles per liter; a measure of acidity or alkalinity of a substance, which takes numerical values from 0 (maximum acidity) through 7 (neutral) to 14 (maximum alkalinity).

As a noun salinity is

the quality of being saline.

As nouns the difference between refinement and modification

is that refinement is the act, or the result of refining; the removal of impurities, or a purified material while modification is the act or result of modifying or the condition of being modified.

As adjectives the difference between refined and polite

is that refined is showing or having good feelings or good taste while polite is well-mannered, civilized.

As verbs the difference between refined and polite

is that refined is (refine) while polite is (obsolete|transitive) to polish; to refine; to render polite.

As verbs the difference between give and signify

is that give is (may take two objects) to move, shift, provide something abstract or concrete to someone or something or somewhere while signify is to give (something) a meaning or an importance.

As a noun give

is (uncountable) the amount of bending that something undergoes when a force is applied to it.

As adjectives the difference between refined and clarified

is that refined is showing or having good feelings or good taste while clarified is made clear.

As verbs the difference between refined and clarified

is that refined is past tense of refine while clarified is past tense of clarify.

As adjectives the difference between refined and civil

is that refined is showing or having good feelings or good taste while civil is having to do with people and government office as opposed to the military or religion.

As a verb refined

is past tense of refine.

As nouns the difference between find and information

is that find is anything that is found (usually valuable), as objects on an archeological site or a person with talent while information is information.

As a verb find

is to encounter or discover by accident; to happen upon.