Foundational
In medical terminology, this part of the word establishes the basic meaning:
Root
a-, an-
not without, lack of, absence
ab-
away from
Hemi-
half
Melan-
black, dark
Meaning of the abbreviation of "CHF"
Congestive Heart Failure
contra-
against , opposite and opposed
ad
towards, near
mono-
one
Cyano
blue
Short word part added before a root; modifies the meaning of the root
Prefix
dis-
absence , removal or separation
dia
through
bi-
two, twice
Xantho
yellow
Abbreviation formed from first letter of each word in a phrase
Acronym
un
not working together ( uncoordinated)
per
through ( percutaneous ) though the skin
di-
two, twice
Leuko
white, without color
The short word part or parts added to the end of a word:
Suffix
de-
down without , removal, loss
trans
through ( transected) cut through or across
tetra-
four
Eryrthro
red