As nouns the difference between philosophy and solitude

is that philosophy is the love of wisdom while solitude is aloneness; state of being alone or solitary, by oneself.

As a verb philosophy

is to philosophize.

As verbs the difference between overloading and overcharging

is that overloading is present participle of lang=en while overcharging is present participle of overcharge.

As a noun overloading

is a type of polymorphism, where different functions, operators or variables with the same name are invoked based on the data types of the parameters passed.

As verbs the difference between enclosing and attaching

is that enclosing is present participle of lang=en while attaching is present participle of lang=en.

As a noun enclosing

is that which encloses.

In surgery terms the difference between vasectomy and varicocelectomy

is that vasectomy is the surgical removal of all or part of the vas deferens, usually as a means of male sterilization while varicocelectomy is the ligature and excision of a varicocele.

As proper nouns the difference between tommy and timothy

is that tommy is a diminutive=Thomas given name while Timothy is either of two books in the New Testament (1 Timothy and 2 Timothy) which are epistles to Timothy.

As nouns the difference between tommy and timothy

is that tommy is tommy Atkins; a typical private in the British army; a British soldier while timothy is species: Phleum pratense, pedia=1, native to Europe, but introduced widely and naturalized in US.

As verbs the difference between background and contex

is that background is to put in a position that is not prominent while contex is (obsolete|transitive) to context.

As a noun background

is one's social heritage; what one did in the past/previously.

As an adjective specious

is seemingly well-reasoned, plausible or true, but actually fallacious.

As a noun genre is

a kind; a stylistic category or sort, especially of literature or other artworks.

As nouns the difference between concern and priority

is that concern is that which affects one's welfare or happiness while priority is an item's relative importance.

As a verb concern

is to relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.

As an adjective idle

is empty, vacant.

As a verb idle

is to spend in idleness; to waste; to consume.

As a noun layabout is

a lazy person.

As adjectives the difference between concordant and concurrent

is that concordant is agreeing; correspondent; harmonious; consonant; in keeping with; agreeable with; concordant with; concordant to while concurrent is happening at the same time; simultaneous.

As a noun concurrent is

one who, or that which, concurs; a joint or contributory cause.