In term of equipment: One device is known as a hygrometer. A hygrometer is used tomeasure humidity. Not to be confused with the hydrometer which measures the specificgravity of liquids. A Psychrometer is a type of Hygrometer.
To work out the spelling of a homophone, you first need to check the meaning of the word. It can help to find particular words when youâre reading, or you can use the word in a sentence. For example: ï· They write poems and plays to get their ideas across. ï· I agree, what you say is right.
homonyms are words that are spelled the same or sound the same but have different meanings. homonym is two words that are pronounced the same way, yet have  different meanings. They may be spelled either the same way or  differently.