go, step

disgress: go astray (from the main point)

regress: go backwards

gradual: step by step, by degrees

writing

epigram: pithy statement

telegram: instantaneous message over great distance

stenography: shorthand (writing narrowly)

flock, hard

gregarious: tending to group together as in hard

aggregate: group, total

egregious: conspicuously bad; shocking

sun

heliotrope: flower that faces the sun

heliograph: instrument that uses the sun's rays to send signals

journey, road

exit: way out

itinerary: plan of journey

to throw

projectile: missile; something thrown forward

trajectory: path taken by thrown object

ejaculatory: casting or throwing out

to swear

perjure: testify falsely

jury: group of men and women sworn to seek the truth

adjuration: solemn urging

to work

laboratory: place where work is done

collaborate: work together with others

laborious: difficult

to choose, to read

election: choice

legible: able to be read

eligible: able to be selected

law

legislature: law-making body

legitimate: lawful

legal: lawful

book

library: collection of books

libretto: the "book" of a musical play 

libel: slander (originally found in a little book)

free

liberation: the fact of setting free

liberal: generous (giving freely); tolerant

word, study

entomology: study of insects

etymology: study of word parts and derivations

monologue: speech by one person

to talk

soliloquy: speech by one individual 

loquacious: talkative

elocution: speech

light

elucidate: enlighten

lucid: clear

translucent: allowing some light to pass through

great

magnify: enlarge

magnanimity: generosity, greatness of soul

magnitude: greatness, extent

bad

malevolent: wishing evil

malediction: curse

malefactor: evil-doer

hand

manufacture: create (make by hand)

manuscript: written by hand

emancipate: free (let go from the hand) 

sea

maritime: connected with seafaring

submarine: undersea craft

mariner: seaman

mother

maternal: pertaining to motherhood

matriarch: female ruler of a family, group, or state

matrilineal: descended on the mothers side

to send

missile: projectile

dismiss: send away

transmit: send across

move

mobilize: cause to move

motility: ability to move 

immovable: not able to be moved

to warn

admonish: warn

premonition: foreboding

monitor: watcher (warner)

to die

mortuary: funeral parlor

moribund: dying

immortal: not dying

shape, form

amorphous: formless, lacking shape

metamorphosis: change of shape

anthropomorphic: in the shape of man

change

immutable: not able to be changed

mutate: undergo a great change

mutability: changeableness, inconstancy

born

innate: from birth

prenatal: before birth

nativity: birth

ship

navigate: sail a ship

curcumnavigate: sail around the world

naval pertaining to ships

width; extent

"We were impressed by the breadth of her knowledge."

conciseness

"Brevity is essential when you send a telegram or cablegram; you are charged for every word"

rising like bristles; showing irritation

" The dog stood there, bristling with anger."