The word quality is a singular noun. The plural form is qualities.
The topic of the speech
The word reliability is a noun. It is the quality of being reliable.
It creates a musical quality in a poem or drama.
A noun, of the abstract type, the name of an intangible quality.
adverb
The word quality is a noun. The plural form is qualities.
speech is the basic foundation of English . without the part of speech sentence cant be formed
The topic of the speech
It is a verb, used here to attribute the quality of being "invited" to the noun "you".
The word reliability is a noun. It is the quality of being reliable.
The word legitimacy is a noun. It is the quality of being legitimate.
It creates a musical quality in a poem or drama.
A noun, of the abstract type, the name of an intangible quality.
The word "meagre" can be used as an adjective to describe something that is lacking in quantity or quality.
"Washable" is an adjective, as it describes the quality of being able to be washed.
Adequate is an adjective.
Virtue is a noun.