In transitive terms the difference between shape and govern

is that shape is to give something a shape and definition while govern is to require that a certain preposition, grammatical case, etc. be used with a word; sometimes used synonymously with collocate.

As a noun shape

is the status or condition of something.

In transitive terms the difference between shape and command

is that shape is to give something a shape and definition while command is to hold, to control the use of.

In obsolete terms the difference between shape and command

is that shape is to imagine; to conceive while command is to direct to come; to bestow.

As an adjective scared

is having fear; afraid, frightened.

As a verb scared

is (scare).

As a noun scaredness is

the quality of being scared; fear; timidity.

As nouns the difference between duration and validity

is that duration is an amount of time or a particular time interval while validity is the state of being valid, authentic or genuine.

As nouns the difference between excursion and visitor

is that excursion is a brief recreational trip; a journey out of the usual way while visitor is someone who visits someone else; someone staying as a guest.

As nouns the difference between match and test

is that match is match while test is .

As nouns the difference between catalog and sort

is that catalog is (us|canada) while sort is kind, type, sort or sort can be fate, destiny, chance.

As a verb catalog

is .

As nouns the difference between goodbye and welfare

is that goodbye is an utterance of goodbye, the wishing of farewell to someone while welfare is health, safety, happiness and prosperity; well-being in any respect.

As an interjection goodbye

is farewell; a formula used to another person or persons when the speaker, writer, or person addressed is departing.

As verbs the difference between effort and improve

is that effort is to make an effort while improve is to make (something) better; to increase the value or productivity (of something).

As a noun effort

is the work involved in performing an activity; exertion.

As nouns the difference between manner and similar

is that manner is mode of action; way of performing or effecting anything; method; style; form; fashion while similar is that which is similar to, or resembles, something else, as in quality, form, etc.

As an adjective similar is

having traits or characteristics in common; alike, comparable.