Grammar

Thief is a noun referring to a person who steals something. It names a category of person and can be used as a subject or object in sentences, like The thief was caught or Don't be a thief.

Thank is a verb meaning to express gratitude or appreciation. While thanks (the plural) can function as a noun, the base form thank is primarily a verb used in sentences like I thank you for your help.

Theft is a noun referring to the act or crime of stealing. It names an abstract concept or action and functions as a noun in sentences like Theft is a crime or The theft was reported.

Then is an adverb referring to a specific time or sequence. It can mean at that time (I was living there then) or consequently (If it rains, then we'll stay). It modifies verbs, clauses, or entire sentences by indicating time or logical sequence.

'Tide' is a naming word that refers to the regular rise and fall of sea water. It names a natural phenomenon, not an action, description, or manner.

'Thrift' is a naming word that refers to the quality of being careful with money or resources. It names a concept or habit, not an action or description.

'Test' primarily names an examination or trial procedure. While 'test' can sometimes function as a verb, its most fundamental meaning is as a naming word for an assessment method.

'Thirst' names the physical feeling of needing to drink. It is a state or condition that can be named, not an action performed or a description given.

'Terse' describes speech or writing that is brief and to the point. It is a describing word that characterizes how someone communicates (using few words).

'Think' primarily expresses a mental action or process. It is something you actively do with your mind, making it an action word.

'Term' names a word or expression, or a fixed period of time. It is a naming word that refers to a defined concept or duration.

'Tent' names a shelter made of canvas or similar material. It is a physical object that can be named, making it a naming word.

'Testy' describes someone who is easily annoyed or impatient. It is a describing word that characterizes a person's temperament or behavior.

Translate is primarily a verb meaning to express the sense of words in another language. As a verb, it follows the pattern of similar words like communicate, speak, write. While it can be used nominally in certain contexts, its primary grammatical function is verbal.