As nouns the difference between interplay and reaction

is that interplay is interaction while reaction is .

As a verb interplay

is to interact.

As nouns the difference between disclosure and publicity

is that disclosure is the act of revealing something while publicity is advertising or other activity designed to rouse public interest in something.

As a proper noun head

is , from residence near a hilltop or the head of a river, or a byname for someone with an odd-looking head.

As an initialism bj is

blow job.

As nouns the difference between disability and severity

is that disability is state of being disabled; deprivation or want of ability; absence of competent physical, intellectual, or moral power, means, fitness, and the like while severity is the state of being severe.

As nouns the difference between alfalfa and beansprouts

is that alfalfa is (uncountable) a plant, principally of medicago sativa , grown as a pasture crop while beansprouts is .

As verbs the difference between slapped and smacked

is that slapped is (slap) while smacked is (smack).

As nouns the difference between talking and gossiping

is that talking is the action of the verb talk while gossiping is act of gossiping.

As verbs the difference between talking and gossiping

is that talking is while gossiping is .

In legal|lang=en terms the difference between complaint and litigation

is that complaint is (legal) in criminal law, the preliminary charge or accusation made by one person against another to the appropriate court or officer, usually a magistrate
however, court proceedings, such as a trial, cannot be instituted until an indictment or information has been handed down against the defendant while litigation is (legal) the conduct of a lawsuit.

As nouns the difference between complaint and litigation

is that complaint is a grievance, problem, difficulty, or concern; the act of complaining while litigation is (legal) the conduct of a lawsuit.

As adjectives the difference between ubiquitous and automatic

is that ubiquitous is being everywhere at once: omnipresent while automatic is capable of operating without external control or intervention.

As a noun automatic is

a car with automatic transmission.

As adjectives the difference between psychosocial and psychobehavioral

is that psychosocial is (of behaviour) having both psychological and social aspects while psychobehavioral is describing aspects of behavior that have psychological causes or significance.