suffocation

As nouns the difference between suffocation and null

is that suffocation is asphyxia—a condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of carbon dioxide leads to loss of consciousness or death while null is a non-existent or empty value or set of values.

As an adjective null is

having no validity, "null and void.

As a verb null is

to nullify; to annul.

Aphixication is likely misspelled.

Aphixication has no English definition.

As a noun suffocation is

asphyxia—a condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of carbon dioxide leads to loss of consciousness or death.

As a noun suffocation is

suffocation.

As nouns the difference between anoxia and suffocation

is that anoxia is a condition in which a tissue or environment is severely or totally deprived of oxygen, severe hypoxia while suffocation is asphyxia—a condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of carbon dioxide leads to loss of consciousness or death.

As nouns the difference between taxonomy and suffocation

is that taxonomy is the science or the technique used to make a classification while suffocation is suffocation.

As nouns the difference between suffocation and choking

is that suffocation is asphyxia—a condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of carbon dioxide leads to loss of consciousness or death while choking is the process in which a person's airway becomes blocked, resulting in asphyxia in cases that are not treated promptly.

As a verb choking is

present participle of lang=en.