Leading is a verb. "The farmer was leading the bull by the nose."
Leading can also be an adjective. "Pete was a leading light in the Glee Club."
Leading is also a noun (pronounced 'ledding'), meaning the amount of lead between lines of print in the old printing presses, or the lead holding pieces of stained glass window together.
There is a verb "lead" pronounced LEED (go in front as others follow), and there is a noun "lead" pronounced LED meaning a kind of metal.
Adjective
Suffixes are parts of words, therefore they are not parts of speech. Parts of speech are full words like LOGICAL - CAL is a part of that word that is an adjective.
it's an adjective
"Reappearance" is a noun. Other forms of the word are other parts of speech, however. "Reappear" is a verb, for example.
Parts of Speech Noun Verb PREposition Interjection ADJective ADVerb Conjunction PROnoun Simply put, the job or function of a word or phrase in a sentence.
Tropical in parts of speech
The word "tropical" can function as an adjective.
a pronoun
Ropnoun
The word him is a pronoun.
Ropnoun
The word him is a pronoun.
The word "appropriate" can function as both an adjective and a verb.
there is one part of speech in the word up.
The part of speech for this particular word is a noun.
The word "trudges" is a verb.
noun