As adjectives the difference between unbridged and unbridled

is that unbridged is (of a river) that has not been bridged while unbridled is not fitted with a bridle.

As a verb unbridled is

(unbridle).

As verbs the difference between reclass and declass

is that reclass is to place into a different class or category; to recategorize while declass is to lower one's class or social standing.

As verbs the difference between retaps and retape

is that retaps is third-person singular of retap while retape is to tape again.

As verbs the difference between outflown and outfrown

is that outflown is while outfrown is to exceed in frowning.

As verbs the difference between mellifies and mellified

is that mellifies is (mellify) while mellified is (mellify).

As an adjective mellified is

embalmed in honey.

As nouns the difference between caf and cauf

is that caf is (colloquial) or caf can be (colloquial) cafeteria while cauf is a chest with holes for keeping fish alive in water or cauf can be .

As nouns the difference between slabberers and slobberers

is that slabberers is while slobberers is .

As verbs the difference between cacked and backed

is that cacked is (cack) while backed is (back).

As an adjective backed is

(obsolete|slang) put on one's back; killed; rendered dead.

In biology terms the difference between myxobacterium and mycobacterium

is that myxobacterium is any of many gram-negative, rod-shaped bacteria, of the phylum Myxobacteria, that form colonies of slime while mycobacterium is any of many rod-shaped, aerobic bacteria, of the genus Mycobacterium, that cause diseases such as tuberculosis and leprosy.

As verbs the difference between encumbered and incumbered

is that encumbered is past tense of encumber while incumbered is past tense of incumber.

As an adjective encumbered

is weighted down, loaded sufficiently to make slow.