As adjectives the difference between painful and troubling

is that painful is causing pain or distress, either physical or mental while troubling is distressing, worrying.

As a verb troubling is

.

As a noun troubling is

the infliction of trouble or distress.

As nouns the difference between ran and terms

is that ran is a robbery (act or practice of robbing) while terms is .

As a noun terf

is a radical feminist (see (radical feminism)) who believes that the feminist movement should not include transwomen or address trans-related issues.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between homework and bowling

is that homework is work that is done at home, especially school exercises set by a teacher while bowling is a game played by rolling a ball down an alley and trying to knock over a triangular group of ten pins; ten-pin bowling.

As a verb bowling is

.

As a proper noun priest

is .

As a verb zit is

to live.

As verbs the difference between diverging and different

is that diverging is while different is .

As nouns the difference between bisphenol and biphenyl

is that bisphenol is bisphenol while biphenyl is biphenyl.

As nouns the difference between convenience and need

is that convenience is the quality of being suitable, useful or convenient while need is a requirement for something.

As a verb need is

to be necessary (to someone).

As nouns the difference between convenience and resilience

is that convenience is the quality of being suitable, useful or convenient while resilience is resilience (the mental ability to recover quickly from depression, illness or misfortune).

As adjectives the difference between second and following

is that second is number-two; following after the first one with nothing between them the ordinal number corresponding to the cardinal number two while following is coming next, either in sequence or in time.

As nouns the difference between second and following

is that second is one that is number two in a series or second can be the si unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest; one-sixtieth of a minute or second can be one who supports another in a contest or combat, such as a dueller's assistant while following is a group of followers, attendants or admirers; an entourage.

As an adverb second

is (with superlative) at the second rank.

As a verb second

is (uk) to transfer temporarily to alternative employment.

As a preposition following is

after, subsequent to.