Sight words are critical to reading not only because they are used so frequently, but also because many of them cannot easily be sounded out or illustrated. … Because they are used so often it is important that readers be able to recognize these words on sight (hence the term “sight words”).https://www.k12reader.com/what-are-sight-words/

Here are a list of sight words.  Click here for sight word list

Here are some sight word games!Click here for sight word activities