As nouns the difference between water and storativity

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 storativity is (geology) the volume of water released from storage per unit decline in hydraulic head in a confined aquifer, per unit area of the aquifer symbol: s.

As a verb water

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

Megamillionaire is a related term of million.

As a numeral million

is the cardinal number 1,000,000: 10⁶.

As a noun megamillionaire is

a person who has many times more than one million units of the local currency, but who is not a billionaire.

As nouns the difference between billionaire and megamillionaire

is that billionaire is somebody whose wealth is greater than one billion (10⁹) dollars, or other currency while megamillionaire is a person who has many times more than one million units of the local currency, but who is not a billionaire.

As an adjective multimillion

is having more than 2,000,000 in the million range.

As a noun megamillionaire is

a person who has many times more than one million units of the local currency, but who is not a billionaire.

Supermillion is likely misspelled.

Supermillion has no English definition.

As a noun megamillionaire is

a person who has many times more than one million units of the local currency, but who is not a billionaire.

As a proper noun triangle

is the area comprising the cities of used with "the" except when attributive.

As a verb quadrangulate is

to divide a plane (or other surface) into quadrangles, often by removing the dividing line between two adjacent triangles (following a previous triangulation).

As a noun triangulation

is a technique in surveying in which distances and directions are estimated from an accurately measured baseline and the principles of trigonometry.

As a verb quadrangulate is

to divide a plane (or other surface) into quadrangles, often by removing the dividing line between two adjacent triangles (following a previous triangulation.

Quadrangulation is a related term of quadrangulate.

As a noun quadrangulation

is (mathematics) a graph embedded in a surface such that every face is a quadrangle.

As a verb quadrangulate is

to divide a plane (or other surface) into quadrangles, often by removing the dividing line between two adjacent triangles (following a previous triangulation).

As nouns the difference between butane and quartane

is that butane is a hydrocarbon (either of the two isomers of C₄H₁₀ n-butane, and 2-methyl-propane) found in gaseous petroleum fractions while quartane is butane.

As nouns the difference between feud and feuder

is that feud is a state of long-standing mutual hostility or feud can be an estate granted to a vassal by a feudal lord in exchange for service while feuder is one who feuds.

As a verb feud

is to carry on a feud.