Nouns refer to people, places, things, or ideas. Verbs describe actions or states of being. Adjectives modify nouns or pronouns. Adverbs modify verbs, adjectives, or other adverbs
Y is the twenty-fifth letter of the English alphabet. In US, Y can mean "the Y" (singular noun). Y can be used as a mathematical symbol
'At' is used with specific times of day, including hours with 'o'clock'. 'In' is used for morning, afternoon, evening time expressions. 'At' is used with nighttime and sunrise/sunset. 'In' is used for future time periods
Parts of speech classify words with similar grammatical properties. English has eight main parts of speech. A single word can function as multiple parts of speech
"Twelfth" refers to ordinal number twelve in sequence or position. "Twelveth" is incorrect and considered archaic spelling. "Twelfth" can be used as adjective or noun for twelve equal parts
English has 8 main parts of speech: nouns, pronouns, adjectives, verbs, adverbs, prepositions, conjunctions, and articles. Words can be classified as different parts of speech depending on their usage. Some words can function as multiple parts of speech (e.g., work, well)