For example, the difference between poetry and poetry.

1, which means "poem", is a countable noun and can refer to a specific poem, two poems, several poems, etc. When used as a subject, the number of predicate verbs depends on the number of poems (that is, poems are singular and predicate verbs are singular; Poetry is plural, predicate verb is plural).

2. Poetry also has the meaning of "poetry", but it is the general name of poetry and an uncountable noun; When used as the subject, the predicate verb is always singular.

Extended data example:

His latest book? Poetry? Will be published by Faber in May. ?

His latest collection of poems will be published by Faber Publishing Company in May.

His letters, like his poems, enhance life and make people happy. ?

His letters, like his poems, make life more interesting to read, which is a great pleasure.

This reminds me of a wonderful poem by Riojin. ?

This reminds me of a great poem by Riojin.

4. This poem appeared in 1890, which is a celebration of marriage and love. ?

This poem written in 1890 is a high praise for marriage and love.

His music is more pure poetry, not poetry written in language. ?

His music is more poetic than real poetry.