gram-, -gram-, -gram, -grammatic, -grammatical, -grammatically, -gramme, -grammic +

(Greek: write, writing, something written, a written record, a recording; letters; words; later, a small weight, a unit of mass in the metric system)

A unit of weight in the metric system from 1797 gramme, borrowing of French gramme, from Late Latin gramma, "small weight"; from Greek gramma, "small weight"; originally, "something written"; from the stem of graphein, "to draw, to write".

—Compiled from information located in;
The Barnhart Dictionary of Etymology; Robert K. Barnhart, Editor;
The H.W. Wilson Company; New York; 1988; page 445.
ophthalmogram
A written description of the eyes; especially, during reading.
optogram
An image of external objects fixed on the retina by the photochemical action of light on the visual purple.
orthodiagram
A recording of the outlines and positions of organs or foreign bodies that are seen by a radiographic apparatus.
oscillogram
A record produced by an oscillograph (a device for making a record of the wave forms of fluctuating voltages or currents).
pangram (s) (noun), pangrams (pl)
1. A sentence containing all the letters of the alphabet at least once: The best-known English pangram is "The quick brown fox jumps over the lazy dog."

Here are some other pangrams:

  • We promptly judged antique ivory buckles for the next prize
  • The vixen jumped quickly on her foe barking with zeal.
  • Five or six big jet planes zoomed quickly by the tower.
  • Six big devils from Japan quickly forgot how to waltz.
  • Jay visited back home and gazed upon a brown fox and quail.
  • All questions asked by five watch experts amazed the judge.
  • Waltz, nymph, for quick jigs vex bud.
— Compiled from "Your Favorite Pangrams" where there are hundreds of other pangrams or at Fun-with-words.com.
2. Etymology: from the Greek for all letters, pan, "all" + gramma, "letter".
pangrammatic
paragram
A joke or type of wordplay in which similar senses or sounds of two words or phrases, or different senses of the same word, are deliberately confused.
paragrammatist
A punster or someone who is fond of or skilled at making puns or a humorous play on words.
parallelogram
A four-sided plane figure in which both pairs of opposite sides are parallel and of equal length, and the opposite angles are equal.
pedogram
A record made by a pedograph (an instrument for recording and studying gait or walk).
pelmatogram
An imprint of the sole of the foot, made by resting the inked foot on a sheet of paper, or by pressing the greased foot on a plaster of Paris paste.
pelycogram
A roentgenogram obtained during pelviroentgenography.
pentagram
1. A series of five letters or characters.
2. A two-dimensional geometric figure that is in the shape of a star, with five points; especially, one which is used as a magical or an occult symbol.
3. A star with five points; formed by five straight lines between the vertices of a pentagon and enclosing another pentagon figure with five sides in the center.
petagram, Pg
A metric unit of mass equal to 1015 grams or one gigatonne (one billion metric tons).

This unit is used in atmospheric science and other scientific contexts where large masses are considered.

phenogram (s) (noun), phenograms (pl)
1. A branching diagram depicting phenetic relationships among taxa.
2. A tree-like diagram that shows the conclusions of numerical taxonomy.

Related "writing" word units: glypto-; graph-; scrib-, script-.