-graph(word root) writingExamples of words with the root -graph: lithographAbused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree-graphsuff.1. Something written or drawn: monograph.2. An instrument for writing, drawing, or recording: seismograph.[French -graphe, from Late Latin -graphus, from Greek -graphos, from graphein, to write; see gerbh- in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.-graph n combining form 1. an instrument that writes or records: telegraph. 2. a writing, record, or drawing: autograph; lithograph. [via Latin from Greek -graphos, from graphein to write] -graphic, -graphical adj combining form -graphically adv combining formCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014graph (græf, gr?f) n. 1. a diagram representing a system of connections or interrelations among two or more things, as by a number of distinctive dots or lines. 2. Math. a. a series of discrete or continuous points, as in forming a curve or surface, each of which represents a value of a given function. b. a network of lines connecting points. 3. a written symbol for an idea, a sound, or a linguistic expression. v.t. 4. to draw (a curve) as representing a given mathematical function. 5. to represent by means of a graph. [1875?80; see graphic] -graph a combining form meaning ?something written, printed, drawn, or incised? ( autograph; lithograph; monograph; pictograph); ?an instrument that produces, transmits, or plays back a record, image, or message? ( phonograph; seismograph; telegraph) ?the image produced by a camera or similar apparatus? (photograph); ?a device or process for writing or printing? ( pantograph; stenograph); ?a graph or chart? ( hydrograph);also used as a variant of -gram1 ( holograph; ideograph). [