As nouns the difference between comet and potato

is that comet is (astronomy) a celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the sun and having a "tail" of matter blown back from it by the solar wind as it approaches the sun while potato is a plant tuber, solanum tuberosum , eaten as a starchy vegetable, particularly in the americas and europe.

As verbs the difference between rowing and rolling

is that rowing is while rolling is .

As nouns the difference between rowing and rolling

is that rowing is the action of the verb to row while rolling is the act by which something is rolled.

As adjectives the difference between rounded and roundish

is that rounded is made into a circle or sphere while roundish is somewhat round.

As a verb rounded

is (round).

As a noun concent

is harmony.

As a verb submit is

to yield or give way to another.

As an initialism mego

is .

As a proper noun micro is

a town in north carolina.

As nouns the difference between legend and moth

is that legend is a story of unknown origin describing plausible but extraordinary past events while moth is a usually nocturnal insect of the order Lepidoptera, distinguished from butterflies by feather-like antennae.

As verbs the difference between legend and moth

is that legend is to tell or narrate; to recount while moth is to hunt for moths.

As adjectives the difference between praiseworthy and upstanding

is that praiseworthy is meriting praise; worthy of high praise while upstanding is honest; reputable; respectable or upstanding can be standing up.

As a verb upstanding is

.

As verbs the difference between countervailing and balance

is that countervailing is while balance is .

As adjectives the difference between drastic and basic

is that drastic is extreme; severe while basic is necessary, essential for life or some process.

As a noun basic is

a necessary commodity, a staple requirement.

As a proper noun BASIC is

a family of third-generation programming languages (c.1964 on).

As an adjective airy

is consisting of air; as, an airy substance; the airy parts of bodies.

As a verb ventilate is

to replace stale or noxious air with fresh.