Word to Root
Maniac
Mania
Dyn/Dyna/Dynam/Dynamo
ie. dynasty, dynamic, dynamism, etc.
Credence
“belief in or acceptance of something as true.”
Post
after, behind
Amphibian
Amphi
Hydr/Hydro
Dilemma
“a situation in which a difficult choice has to be made between two or more alternatives, especially equally undesirable ones.”
Ambi/Amphi
both, on both sides, around
Pyrogenesis
Pyro
Micro
ie. microbiology, microscope, microphone, etc.
Extraneous
“irrelevant or unrelated to the subject being dealt with.”
Astro/Aster
star
Asterisk
Aster
Phobia
ie. hippopotomonstrosesquippedaliophobia, hydrophobic, acrophobia, etc.
Malevolent
“having or showing a wish to do evil to others.”
Du/Duo
two
Duology
Duo
Tri
ie. triathlon, tricycle, triplet, etc.
Polysyllabic
“(of a word) having more than one syllable.”
Dyn/Dyna/Dynam/Dynamo
power, strength, energy