Hhh is likely misspelled.

Hhh has no English definition.

As a noun DDD is

dichlorodiphenyldichloroethane, an insecticide related to DDT.

As nouns the difference between champion and advocator

is that champion is someone who has been a winner in a contest while advocator is one who advocates.

As an adjective champion

is acting as a champion; that has defeated all one's competitors.

As a verb champion

is to promote, advocate, or act as a champion for.

As a proper noun Champion

is {{surname}.

As nouns the difference between cemetery and tomb

is that cemetery is a place where the dead are buried; a graveyard or memorial park while tomb is a small building (or "vault") for the remains of the dead, with walls, a roof, and (if it is to be used for more than one corpse) a door. It may be partly or wholly in the ground (except for its entrance) in a cemetery, or it may be inside a church proper or in its crypt. Single tombs may be permanently sealed; those for families (or other groups) have doors for access whenever needed.

As a verb tomb is

to bury.

As nouns the difference between plan and schedules

is that plan is a tablet (for writing and erasing) while schedules is .

As a noun ocean is

ocean.

As nouns the difference between gutters and spouting

is that gutters is while spouting is the process or result of something being spouted; that which is spouted.

As a verb gutters

is (gutter).

As an adjective spouting is

(of a liquid) that is propelled in a narrow stream or jet.

In transitive terms the difference between discard and omit

is that discard is to throw away, to reject while omit is to fail to perform.

As a noun discard

is anything discarded.

As a noun emigrant is

emigrant.

As a noun hiv

is hiv.

As an abbreviation std is

standard.

As an acronym cow

is (computing).

As a noun butter is

butter.