e doubt that he is a maniac.

the preson arrested for setting the fire had been suspected of pyromania on two previous occasions.

the customer protested in such a loud, violent,and maniacal manner that onlookers thought he had lost his sanity.

ped---child

there are four different encyclopedias in the reference section of our school library.

patients recovering from broken limbs are housed in the hopital’s orthopedic ward.

a new teacher usually receives a great deal of help from the more experienced pedagogues.

mr.brown’s lessons are usually excellent. he is a master of pedagogy.

when the baby developed a fever, mother telephoned the pediatrician

from the number of baby carriages outside his office,you can tell that dr.enders specializes in pediatrics.

ortho---correct

a student who wears braces on his teeth is obviously under the care of an orthodontist.

american and english orthography are very much alike.

a deformity of the spine is a condition that requires the attention of an orthopedist.

there ws no religious liberty in the massachusetts bay colony. roger williams,for example, was banished because he did not accept orthodox puritan beliefs.

vaccination was rejected as unorthodox when dr. jenner first suggested it.

gen, gena---race

diana can trace her descent from an ancestor who fought in the civil war. i know much less about my own genealogy.

according to legend,the trojan war had its genesis in a dispute between three greek goddesses.

if dairies did not homogenize milk,the cream would be concentrated at the top instead of being evenly distributed.

many different racial and cultural groups are to be found in the heterogeneous population of a large city.

the dancers for the ballet were selected for similarity of height and build so that they might present a homogeneous appearance.

meter,metr---measure

when the barometer indicates a rapid drop in air pressure,it means a storm is coming.

unlike ordinary clocks and watches,chronometers are little affected by temperature changes or vibration.

some giant redwood trees measure 325 feet in height and up to 30 feet in diameter.

when water meters are installed,it will be easy to tell how much water each home is using.

a meter is 3.37 inches longer than a yard.

all eyes,except the driver’s,were fastened on the odometer as it moved from 9,999.9 to 10,000 miles.

the intensity of a source of light,such as an eletric liht bulb,can be measured with a photometer.

i advised dad to slow down as we were in a 30-mile-an-hour zone and his speedometer registered more than 40.

as the planes sped by,we were impressed by the perfect symmetry of their v-formation.

ant,anti---against

japan was our antagonist in the world war ii.

brutus is the main character in william shakespeare’s julius caesar, and antony is his antagonist.

the antibiotic penicillin stops the growth of bacteria causing pneumonia,tonsillitis,and certain other diseases.

when the body is invaded by foreign agents such as bacteria or viruses,the antibodies go to work against them.

by telephone,the physician prescribed the exact antidote to be given immediately to the poison victim.

a few of the neighbors have an antipathy to dogs,but most are ond of them.

the wound was carefully washed;then an antiseptic,tincture of iodine,was applied.

we are injected with diphtheria antitoxin produced in horses beause the antitoxin manufactured by our bodies may not be enough to prevent diphtheria.

“temporary” is the antonym of “permanent”.

onym,onomato---word

the word “radar” is an acronym for radio detecting and range.

“fair”and “fare” are homonyms.

notice the onomatopoeia in these lines by the poet john drydth:” the double,double,double beat/of the thundering drum.”

o.henry is pseudonym of william sydney porter.

“building” is a synonym for “edifice.”

when you write a letter to the editor,be sure to sign it. responsible publications eill not print anonymous letters.

derm,dermato---skin

the patient with the skin disorder is under the care of a dermatologist.

the tiny cells from which hairs grow are located in the dermis.

although very thin,the epidermis serves to protect the underlying dermis.

the lifelike models of animals that you see in museums are the work of taxidermists.

a hypodermic syringe is used for injecting medication beneath the skin.

nom,nem---management.

the science of agronomy helps farmers obtain larger and better crops.

being a gastronome,my uncle is well acquainted with the best restaurants in the city.

the fleeing murderer escaped the bullets of two pursuing policeman ran itno a third who proved to be his nemesis.

we would have ended the season without a defeat if not for our old nemesis,greeley