-graph

noun combining form meaning "something written or drawn"
noun combining form meaning "instrument for making or transmitting records or images"

forming verbs to indicate a thing written or drawn etc. in a specified way

Wiktionary

suffix

Etymology: Etymology tree Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γράφω (gráphō) Ancient Greek -γρᾰ́φος (-grắphos)der. English -graph From Ancient Greek -γράφος (-gráphos, “that writes, describes”), from γράφω (gráphō, “to scratch, to scrape, to graze”), whence also -graphy.

that writes
“stenograph”
that is written
that draws or shows
that is drawn or shown
“photograph”
A group of letters of a specified number.