Mammer is a derived term of mammery.

As an adjective mammery

is prone to mumble or stammer; mumbly.

As a verb mammer is

to hesitate.

Mammering is a derived term of mammer.

As verbs the difference between mammering and mammer

is that mammering is while mammer is (rare) to hesitate.

As an adjective mammering

is hesitating; hesitant; wavering.

As a verb mumble

is to speak unintelligibly or inaudibly; to fail to articulate.

As a noun mumble

is a quiet or unintelligible vocalization.

As an adjective mammery is

prone to mumble or stammer; mumbly.

As a verb stammer

is to keep repeating a particular sound involuntarily during speech.

As a noun stammer

is the involuntary repetition of a sound in speech.

As an adjective mammery is

prone to mumble or stammer; mumbly.

As adjectives the difference between mumbly and mammery

is that mumbly is prone to mumbling while mammery is prone to mumble or stammer; mumbly or mammery can be .

As nouns the difference between mammal and mammifer

is that mammal is an animal of the class mammalia, characterized by being warm-blooded, having hair and feeding milk to its young while mammifer is (obsolete) mammal.

As a noun remains

is what is left after a person (or any organism) dies; a corpse.

As a verb remains

is (remain).

As an adjective mammaliferous is

(geology|archaic) containing mammalian remains.

As nouns the difference between mammalian and mammality

is that mammalian is any mammal while mammality is the state or quality of being mammalian, of being a mammal.

As an adjective mammalian

is of, or pertaining to, mammals.

As a noun mammalogy

is the study of mammals.

As an adjective mammalogical is

of, or pertaining to, mammalogy.

As a noun mammaplasty

is plastic surgery of a breast to alter its shape or size.

As an adjective mammaplastic is

of, or pertaining to, mammaplasty.