As nouns the difference between psychiatrist and nonpsychiatrist

is that psychiatrist is (medicine) a medical doctor specializing in psychiatry while nonpsychiatrist is one who is not a psychiatrist.

As nouns the difference between tally and upvote

is that tally is originally, a piece of wood on which notches or scores were cut, as the marks of number; while upvote is (internet) a vote for something that increases a cumulative tally of popularity.

As verbs the difference between tally and upvote

is that tally is to count something while upvote is (internet) to vote for, increasing a cumulative tally of popularity.

As an adjective tally

is (label) used as a mild intensifier: very (almost exclusively used by the upper classes).

As an interjection tally

is target sighted.

As an adverb tally

is (obsolete) in a tall way; stoutly; with spirit.

As nouns the difference between popularity and upvote

is that popularity is the quality or state of being popular; especially, the state of being esteemed by, or of being in favor with, the people at large; good will or favor proceeding from the people; as, the popularity of a law, statesman, or a book while upvote is a vote for something that increases a cumulative tally of popularity.

As a verb upvote is

to vote for, increasing a cumulative tally of popularity.

Paracompactification is a related term of paracompact.

As an adjective paracompact is

(mathematics|of a topological space) in which every open cover admits an open locally finite refinement.

Paracompactifying is a related term of paracompact.

As adjectives the difference between paracompactifying and paracompact

is that paracompactifying is (maths) that makes something paracompact while paracompact is (mathematics|of a topological space) in which every open cover admits an open locally finite refinement.

As an adjective paracompact

is (mathematics|of a topological space) in which every open cover admits an open locally finite refinement.

As a noun paracompactness is

the state or condition of being paracompact.

As nouns the difference between popularity and downvote

is that popularity is the quality or state of being popular; especially, the state of being esteemed by, or of being in favor with, the people at large; good will or favor proceeding from the people; as, the popularity of a law, statesman, or a book while downvote is (internet) a vote against something that reduces a cumulative tally of popularity.

As a verb downvote is

(internet) to vote against, reducing a cumulative tally of popularity.

Upvote is an antonym of downvote.

In internet|lang=en terms the difference between upvote and downvote

is that upvote is (internet) a vote for something that increases a cumulative tally of popularity while downvote is (internet) a vote against something that reduces a cumulative tally of popularity.

As verbs the difference between upvote and downvote

is that upvote is (internet) to vote for, increasing a cumulative tally of popularity while downvote is (internet) to vote against, reducing a cumulative tally of popularity.

As nouns the difference between upvote and downvote

is that upvote is (internet) a vote for something that increases a cumulative tally of popularity while downvote is (internet) a vote against something that reduces a cumulative tally of popularity.

Downrate is a see also of downvote.

As verbs the difference between downrate and downvote

is that downrate is to give something a lower rating while downvote is (internet) to vote against, reducing a cumulative tally of popularity.

As a noun downvote is

(internet) a vote against something that reduces a cumulative tally of popularity.

As nouns the difference between vote and upvote

is that vote is a formalized choice on matters of administration or other democratic activities while upvote is a vote for something that increases a cumulative tally of popularity.

As verbs the difference between vote and upvote

is that vote is to cast a vote; to assert a formalised choice in an election while upvote is to vote for, increasing a cumulative tally of popularity.