To/Into/Too/Two
To/Too/Two are homophones, that is one of two or more words pronounced alike but different in meaning or derivation or spelling or a character or group of characters pronounced the same as another character or group
To may be used as a preposition, a word or phrase placed typically before a substantive and indicating the relation of that substantive to a verb, an adjective, or another substantive. A substantive is a word or group of words functioning as a noun.
1a: In a direction toward so as to reach. "I went To the beach."
1b: Toward. "She turned To me."
2: Reaching as far as: "The water in the pond was clear all the way To the bottom."
3a: To the extent or degree of. "She loved him To distraction."
3b: With the resultant condition of. "She nursed him back To health."
4: Toward a given state. "They are helping children To reach their potential."
5: In contact with, against. "The children's faces were pressed To the windows."
6: In front of. "They stood toe To toe."
7: Used to indicate appropriation or possession. "I looked for the lid To the jar."
8: Concerning, regarding. "I'm waiting for an answer To my e-mail."
9: In a particular relationship with. "The brook runs parallel To the path."
10: As an accompaniment or a complement of. "They danced To the tune."
11: Composing, constituting. "There are four quarts To a gallon."
12: In accord with. "The requirements were suited To his skills."
13: As compared with. "Skills superior To the requirements."
14a: Before. "The time is five To six."
14b: Up till, until. "I work from nine To five."
15a: For the purpose of. "He went To lunch."
15b: In honor of. "A toast To the empire."
16a: Used before a verb to indicate the infinitive. "He would like To play."
16b: Used alone when the infinitive is understood. "Play if you want To [play]."
17a: Used to indicate the relationship of a verb with its complement. "Refer To your instructions." "Please refer me To a good doctor."
18: Used with a reflexive pronoun to indicate exclusivity or separateness. "We had the room To ourselves."
To may be used as an adverb, the part of speech that modifies a verb, adjective, or other adverb.
1: In one direction; toward a person or thing. "After the hurricane, we found the boat wrong end To."
2: Into a shut or closed position. "He pushed the door To."
3: Into a state of consciousness. "The patient came To."
4: Into a state of action or attentiveness. "He sat down for lunch and fell To."
To may be used to form an infinitive. Infinitives are verbal abstract nouns.