allograph, autograph, choreograph, epitaph, falstaff, flagstaff, hectograph, lithograph, mimeograph, monograph, paragraph, paragraph, phonograph, photograph, polygraph, riffraff, telegraph.
Your query has returned 1571 words, which include anagrams of spectrographs as well as other shorter words that can be made using the letters included in spectrographs.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.