As a noun silicon

is silicone.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between spool and dowel

is that spool is a device around which thread, wire or cable is wound, especially a cylinder or spindle or spool can be a small swimming pool that can be used also as a spa while dowel is a pin, or block, of wood or metal, fitting into holes in the abutting portions of two pieces, and being partly in one piece and partly in the other, to keep them in their proper relative position.

As verbs the difference between spool and dowel

is that spool is to wind on a spool or spools while dowel is to fasten together with dowels.

As a noun takeup

is .

As an adverb beforehand is

at an earlier or preceding time.

As an adjective beforehand is

(obsolete) in comfortable circumstances as regards property; forehanded.

As adverbs the difference between jestingly and jokingly

is that jestingly is said, written or done in jest while jokingly is in a joking manner.

As nouns the difference between dictionary and metaphor

is that dictionary is a reference work with a list of words from one or more languages, normally ordered alphabetically and explaining each word's meaning and sometimes containing information on its etymology, usage, translations and other data while metaphor is (uncountable|figure of speech) the use of a word or phrase to refer to something that it isn’t, invoking a direct similarity between the word or phrase used and the thing described, but in the case of english without the words like'' or ''as , which would imply a simile.

As a verb dictionary

is (label) to look up in a dictionary.

As a proper noun darling

is , originally a nickname from darling.

As a noun girlfriend is

a female partner in a romantic relationship.

As adjectives the difference between versatile and false

is that versatile is capable of doing many things competently while false is (label) one of two states of a boolean variable; logic.

As adjectives the difference between cognisant and informed

is that cognisant is while informed is instructed; having knowledge of a fact or area of education or informed can be (obsolete) unformed or ill-formed; deformed; shapeless.

As a verb informed is

(inform).

As a noun letterhead

is paper which has the name of the person or company it is from printed on the top (possibly including address or other information) used for formal correspondence.

As an adjective false is

(label) one of two states of a boolean variable; logic.