As nouns the difference between ails and ills

is that ails is plural of lang=en while ills is plural of lang=en.

As a verb ails

is third-person singular of ail.

As symbols the difference between c and it

is that c is carbon while it is the iso 3166-1 two-letter (alpha-2) code for italy.

As a letter c

is the third letter of the.

As a numeral c

is cardinal number one hundred (100).

As nouns the difference between donut and fritter

is that donut is doughnut while fritter is a dish made by deep-frying food coated in batter.

As a verb fritter is

to occupy oneself idly or without clear purpose, to tinker with an unimportant part of a project, to dally, sometimes as a form of procrastination.

As nouns the difference between occupancy and household

is that occupancy is the act of occupying, the state of being occupied or the state of being an occupant or tenant while household is collectively, all the persons who live in a given house; a family including attendants, servants etc.; a domestic or family establishment.

As an adjective household is

belonging to the same house and family.

As adjectives the difference between cognitive and smart

is that cognitive is relating to the part of mental functions that deals with logic, as opposed to affective which deals with emotions while smart is causing sharp pain; stinging.

As a verb smart is

to hurt or sting.

As a noun smart is

a sharp, quick, lively pain; a sting.

As an initialism SMART is

specific, Measurable, Attainable, Realistic, Tangible, a mnemonic for goal-setting.

As a proper noun Smart is

{{surname}.

As nouns the difference between banister and training

is that banister is the handrail on the side of a staircase while training is action of the verb to train.

As verbs the difference between banister and training

is that banister is to construct a banister while training is present participle of lang=en.

As verbs the difference between connotate and detonate

is that connotate is to connote; to suggest or designate (something) as additional; to include; to imply while detonate is (label) to explode; to blow up specifically, to combust supersonically via shock compression.

As nouns the difference between naphtha and naphthalene

is that naphtha is naturally-occurring liquid petroleum while naphthalene is a white crystalline hydrocarbon manufactured from coal tar; used in mothballs.

As nouns the difference between function and aspect

is that function is what something does or is used for while aspect is the way something appears when viewed from a certain direction or perspective.

As a verb function

is to have a function.

As nouns the difference between poky and tiny

is that poky is a gambling device based on the card game poker or poky can be (slang) jail while tiny is a small child; an infant.

As adjectives the difference between poky and tiny

is that poky is slow or poky can be (of a room or other enclosed space) small and cramped while tiny is very small.