One seven letter word, One two letter word and a five letter word, One three letter word and a four letter word, One three letter word and two two letter words, Two three letter words, Three two letter words, A two letter word and a four letter word, A six letter word, A two letter word and a three letter word, A five letter word, Two two letter words, A four letter word, A three letter word, or A two letter word.
that
this
take
One four letter word that starts with r is riot.
One word that fits this definition is aria.
Some four letter words that can be made from the word 'quid' by changing one letter are:quadquitquiz
One possibility is gain.
golf
One option is idea.
The word would be sane.
here