As nouns the difference between proliferation and counterproliferation

is that proliferation is the process by which an organism produces others of its kind; breeding, propagation, procreation, reproduction while counterproliferation is the prevention of nuclear proliferation.

As verbs the difference between vary and covary

is that vary is to change with time or a similar parameter while covary is (statistics) to vary together with another variable, particularly in a way that may be predictive.

As a noun vary

is (obsolete) alteration; change.

As an adjective predictive

is .

As a verb covary is

(statistics) to vary together with another variable, particularly in a way that may be predictive.

Covariance is a related term of covary.

In statistics|lang=en terms the difference between covariance and covary

is that covariance is (statistics) a statistical measure defined as $\backslash scriptstyle\backslash operatorname\{cov\}(x,\; y)\; =\; \backslash operatorname\{e\}((x\; -\; \backslash mu)\; (y\; -\; \backslash nu))$ given two real-valued random variables x'' and ''y , with expected values $\backslash scriptstyle\; e(x)\backslash ,=\backslash ,\backslash mu$ and $\backslash scriptstyle\; e(y)\backslash ,=\backslash ,\backslash nu$ while covary is (statistics) to vary together with another variable, particularly in a way that may be predictive.

As a noun covariance

is (statistics) a statistical measure defined as $\backslash scriptstyle\backslash operatorname\{cov\}(x,\; y)\; =\; \backslash operatorname\{e\}((x\; -\; \backslash mu)\; (y\; -\; \backslash nu))$ given two real-valued random variables x'' and ''y , with expected values $\backslash scriptstyle\; e(x)\backslash ,=\backslash ,\backslash mu$ and $\backslash scriptstyle\; e(y)\backslash ,=\backslash ,\backslash nu$.

As a verb covary is

(statistics) to vary together with another variable, particularly in a way that may be predictive.

As an initialism salt

is (politics) strategic]] arms limitation [[talks|talks.

As a noun cacodylate is

(organic chemistry) any salt or ester of cacodylic acid.

As nouns the difference between room and clubroom

is that room is joy, happiness while clubroom is a room used for club activities.

As nouns the difference between club and clubroom

is that club is club (association of members) while clubroom is a room used for club activities.

Crna is likely misspelled.

Crna has no English definition.

As an adjective cytoplasmic

is of or pertaining to cytoplasm.

Crna is likely misspelled.

Crna has no English definition.

As an initialism RNA

is ribonucleic acid.

As a proper noun side

is an ancient city on a small peninsula on the mediterranean coast of anatolia, settled by greeks from cyme.

As an adjective multisided is

having multiple sides.