As nouns the difference between frequency and wavenumber

is that frequency is the rate of occurrence of anything; the relationship between incidence and time period while wavenumber is a measure of the number of waves in unit distance; inversely proportional to its wavelength.

As nouns the difference between admiration and attention

is that admiration is wonder mingled with approbation or delight; an emotion excited by a person or thing possessed of wonderful or high excellence; as, admiration of a beautiful woman, of a landscape, of virtue while attention is (label) mental focus.

As an interjection attention is

.

As nouns the difference between function and working

is that function is what something does or is used for while working is (usually plural) operation; action.

As verbs the difference between function and working

is that function is to have a function while working is .

As an adjective working is

that is or are functioning.

In intransitive terms the difference between unravel and unwind

is that unravel is to become undone; to collapse while unwind is to be or become unwound; to be capable of being unwound or untwisted.

As verbs the difference between unravel and unwind

is that unravel is to separate the threads (of); disentangle while unwind is to wind off; to loose or separate; to untwist; to untwine; as, to unwind thread, to unwind a ball of yarn.

As a verb media

is .

As a noun phase is

phase.

As nouns the difference between refreshments and beverages

is that refreshments is plural of refreshment while beverages is plural of lang=en.

As nouns the difference between fraudster and conman

is that fraudster is a person who practices fraud; a swindler while conman is a confidence trickster.

As verbs the difference between passed and succeeded

is that passed is past tense of pass while succeeded is past tense of succeed.

As an adjective passed

is that has passed beyond a certain point (chiefly in set collocations).

As verbs the difference between refuse and dissuade

is that refuse is while dissuade is .

As verbs the difference between corrected and resolved

is that corrected is past tense of correct while resolved is past tense of resolve.