The word that same in spelling and sound, but different in meaning is called -

• Synonym:
A word or phrase that has the same or nearly the same meaning as another word or phrase in the same language.
Example: "small" and "little" are synonyms.

• Homograph:
A word that is spelled the same as another word but has a different meaning.
Example: sow meaning "female pig," and sow, "to plant seeds”.

• Homophone:
A word that is pronounced the same as another word but has a different meaning or spelling, or both.
Example: to/two/too are examples of Homophone.

• Homonym:
A word that sounds the same or/and is spelled the same as another word but has a different meaning.
Example: "Write” and “right” are examples of Homonym.