Greek Roots:

ROOT MEANING EXAMPLE

1 agogos Lead, leader Pedagogue, demagogy

2 allos other Allopathic, 

3 alter other Alternate, altercation, alter-ego, altruism

4 algia pain Nostalgia, neuralgia, analgesic

5 ambi both Ambivalent, ambidextrous

6 ambulo Walk, move Ambulatory, amble

7 anima Soul, breath, life Animated, magnanimous, equanimity, unanimous

8 ante before Antediluvian, antecedent, anterior

9 anti against Antiseptic, antithesis

10 anthropos mankind Misanthrope, anthropology 

11 arch rule Anarchy, hierarchy

12 astron Stars, heavens Aster, astrology

13 Bene good Benediction, benefactor

14 Bibre drink Bibulous, imbibe

15 Bios life Biology, biosphere, biopsy

16 Cadere To fall Decadent, cadaver

17 Caedo kill Suicide, matricide, regicide

18 Card heart Cardiac, cardiogram,

19 Carnus flesh Carnal, carnelian, carnage

20 Caval horse Cavalier, cavalcade, chivalrous, cavalry

21 celer Speed Accelerate, celerity

22 Cheval Horse Chevalier

23 Chiros hand Chiropodist, 

24 Chondria Cartilage of breastbone Hypochondria (since the ancients believed that all ailments originated here)

25 Cilium eyelid Supercilious

26 Clast break Iconoclast

27 crac rule Autocracy, democracy, bureaucracy

28 dia through diaphanous

29 Dendro Tree or tree like Dendrites, 

30 Derma skin Epidermis, dermatitis

31 Dexter skill Dexterity, ambidextrous

32 Dichas two Dichotomy

33 Dict say Malediction, dictionary, verdict

34 Dolere To suffer Doleful, dolorous

35 Ego I Egoist, egomaniac, egocentric

36 Epi Upon, up Epicenter

37 Equi equal Equivocal, equidistant

38 Equus horse Equine, equestrienne

39 Esce Begin to convalesce, effervesce, adolescent

40 Fac, fic do Factory, efficacious, fact

41 Fer To bear Somniferous, fertile, conifer

42 fid belief Fidelity, infidel, confidence

43 Fratr brother Fraternity, fratricide, fraternize

44 fug To flee Fugitive, refuge

45 Gamos marriage Monogamy, polygamy

46 Genos People, race Genocide, eugenics

47 Geos earth Geology, geography, geometry

48 Gnos knowledge Prognosticate, agnostic

49 Gratus pleasing Grateful, gratuity, ingratiate 

50 Gyne female Gynecologist, misogynist

51 Haima blood Hemoglobin, hemophilia, anemia

52 Homalos Even or regular Homogeneous, homonyms, anomalous

53 homo human homicide

54 Hyper Up, excess Hyperthyroidism, hypertension

55 Hypo Under, less Hypoglycemia, hypodermic

56 Iatrea healing Psychiatry

57 Icon image iconoclast

58 Ig negative Ignoble

59 Ine Similar to Vulpine, bovine, asinine

60 jur To swear Perjury, adjure

61 Latry Worship Adulation, idolatry

62 levis light Levity, alleviation, levitation

63 Loquor talk Eloquent, loquacious

64 Male badly Malefactor, maleficent

65 Mater mother Maternal, matron

66 Metr measure Thermometer, odometer, metric

67 Misein To hate Misogamist

68 Mono one Monotony, monarchy

69 Monit, mon To warn Admonish, premonition

70 negare To deny Negate, negative, abnegate

71 Nomen name Ignominy, nominate, cognomen, nomenclature

72 Nomos law Astronomy, autonomy

73 Nocre injure Noxious, innocuous

74 nov new Novelty, novice

75 Oculos eye Oculist, ocular, monocle

76 Omni all Omnivore, omnipresent

77 Optikos eye Optician, optical

78 Ortho straighten Orthopedics

79 Osteon bone Osteomyletis, osteopath

80 Paidos child Pediatrician, pedantic

81 Pan all Pantheism 

82 Par equality Compare, disparity

83 Pater father Patriarch, paternal, patriot

84 Path Suffering, feeling Sympathy, pathos

85 Pecus cattle Peccadillo, impecunious

86 Phagus eat Esophagus,

87 Philos love Philtre, philander 

88 Plac, pac Soothe, please Implacable, placid, pacify

89 Pod foot Podiatrist, pseudopodia

90 Poly many polyandry, polyglot, polygon

91 poten power Omnipotent, impotent

92 Queri complain Querulous

93 Scrib, scrip write Manuscript, ascribe, scribble

94 Scurra jester Scurrilous

95 Sed sit Sedentary, supersede

96 Sess sit Session

97 Semantikos significant meaning semantics

98 Sequi follow Sequence, subsequent

99 Sid Sit Reside, insidious

100 similis Like, similar Simulate

101 Somnos sleep Somnolent, somnambulism

102 soph wisdom Philosophy, sophisticated

103 Soror sister Sorority, sororicide

104 Strepere Make noise Obstreperous

105 Taceo silent Taciturn, tacit

106 Temnein cut Entomology, epitome, atom

107 Theos god Apotheosis, atheism

108 Trephien Nourish Hypertrophy, atrophy

109 Tors, tort To twist Torsion, distort

110 Ultra beyond Ultra-violet, ultrasonic

111 Uxor wife Uxorious, uxoricide

112 vac move Vacillate

113 Van To depart Evanesce, vanish

114 Verbum word Verbose, verborrhea

115 Via road Viaduct, viable, deviate

116 Vit, vivre life Revive, vivid, vital, vivisection, viviparous

117 Voc Voice, call Vocal, provocation, convoke, revoke

118 Volent wish Benevolent, malevolence, voluntary, volition

119 Volvo roll Revolve, devolve, convolution

120 Vorare To devour Voracious, carnivore

121 Zoon animal Zoology, zoophile