Umpty is a derived term of umpteen.

As a determiner umpteen

is relatively large but unspecified in number.

As an adjective umpty is

being indefinite, unspecified.

As adjectives the difference between bulletproof and knaveproof

is that bulletproof is (of a material) capable of withstanding a direct shot by a bullet fired from a gun while knaveproof is for a system or body: protected, or designed to be proof against misuse or error; fail-safe.

As a verb bulletproof

is to make proof against bullets.

As a verb shortened

is (shorten).

As an adjective curtate is

shortened, having been shortened.

Curtation is a derived term of curtate.

In astronomy|lang=en terms the difference between curtation and curtate

is that curtation is (astronomy) the interval of a planets orbit in which its curtate or shortened distance is less than the true distance while curtate is (astronomy) said of the distance of a planet from the sun or earth, as measured in the plane of the ecliptic, or the distance from the sun or earth to that point where a perpendicular, let fall from the planet upon the plane of the ecliptic, meets the ecliptic.

As a noun curtation

is (astronomy) the interval of a planets orbit in which its curtate or shortened distance is less than the true distance.

As an adjective curtate is

shortened, having been shortened.

As nouns the difference between interval and curtation

is that interval is a distance in space while curtation is the interval of a planets orbit in which its curtate or shortened distance is less than the true distance.

As nouns the difference between planet and curtation

is that planet is while curtation is (astronomy) the interval of a planets orbit in which its curtate or shortened distance is less than the true distance.

As a verb shortened

is (shorten).

As a noun curtation is

(astronomy) the interval of a planets orbit in which its curtate or shortened distance is less than the true distance.

As a noun curtation is

(astronomy) the interval of a planets orbit in which its curtate or shortened distance is less than the true distance.

As proper nouns the difference between iran and zagros

is that iran is iran while zagros is a mountain range in iran.

As adjectives the difference between lyric and astrophic

is that lyric is (poetry) of, or relating to a type of poetry (such as a sonnet or ode) that expresses subjective thoughts and feelings, often in a songlike style while astrophic is describing lyric poetry that is not written in stanza form.

As a noun lyric

is a lyric poem.