thirdly

As a numeral thirty

is the cardinal number occurring after twenty-nine and before thirty-one, represented in arabic numerals as.

As a noun thirty

is (slang) a rack of thirty beers.

As an adverb thirdly is

in the third place; third in a row.

As adverbs the difference between tertiarily and thirdly

is that tertiarily is in a tertiary way while thirdly is in the third place; third in a row.

is likely misspelled.

has no English definition.

As an adverb thirdly

is in the third place; third in a row.

As a noun tertial

is (ornithology) any flight feather attached to the humerus (upper arm) of a bird.

As an adverb thirdly is

in the third place; third in a row.

As a numeral thirdy

is (30).

As an adverb thirdly is

in the third place; third in a row.

As an adjective tertiary

is of third rank or order; subsequent.

As a noun tertiary

is a tertiary feather.

As a proper noun Tertiary

is the first part of the Cenozoic era when modern flora and mammals appeared.

As an adverb thirdly is

in the third place; third in a row.