There are a number of ways to check whether or not a spelling is correct. If you are typing the majority of software programs that involve writing will have a spell check to tell if you if you have spelled something incorrectly. If you are worried about your spelling when handwriting you can check your spelling against words in a dictionary or search for the correct spellings on an internet enabled mobile phone.
You can use a dictionary to check the correct spelling of words and to understand their definitions and usage in sentences. By looking up a word in the dictionary, you can ensure you are using it correctly and expand your vocabulary.
Spell check or autocorrect
Homophones are words that sound the same but have different meanings or spellings. To use them correctly, be mindful of the context in which they are used and ensure you are spelling them correctly for the intended meaning. Practice can help differentiate between homophones in written and spoken language.
You have spelled both of those words correctly.
The likely word is "properly" (correctly), as there are few words close in spelling.
You click spelling and grammar check.
Spell check or autocorrect
Spell check or autocorrect
Well, cooly is if you meant the adjective. Your spelling of the words "woed" (word I presume) and "speled" (spelled) are a bit off though.
A person who studies spelling is called a lexicographer. Lexicographers are experts in the structure and usage of words, including spelling variations and rules.
"Thiness" is incorrect. The correct spelling is "thinness".
That is the correct spelling of the noun "stuff" (unspecified items or substances). More generally, being able to spell words is mostly by repeated use, but knowledge of word roots and their original languages can yield clues to the spelling of new words.