sub-, suc-, suf-, sug-, sum-, sup-, sur-, sus-, su-

(Latin: under, below, beneath; used as a prefix as shown in various formats below)

Don't confuse the sur- in this element with the sur- in super-. Note: sub- regularly means "under", but it often changes its form as it retains or keeps its meaning:

The prefix sub- often becomes suc- before c: succumb.

The prefix sub- often becomes suf- before f: suffuse.

The prefix sub- often becomes sug- before g: suggest.

The prefix sub- often becomes sum- before m: sumptuous.

The prefix sub- often becomes sup- before p: suppression.

The prefix sub- often becomes sur- before r: surrogate.

The prefix, sub- is often simplified to su- before sp; as seen in suspect, suspend, suspicion, suspension, et al. Before c, p, and t; it is sometimes formed into sus-.

subcuticula
subcuticular (adjective), more subcuticular, most subcuticular
Pertaining to being situated under the epidermis, or being under the cuticle or scarfskin which is just below the outermost layer of skin.
subcutis (s) (noun) (no plural)
A layer of connective tissue in the deeper area of the skin.
subdermal
subdermatoglyphic
The set of patterns that are the fine whorls, arches, and other finger-ridges that have an underlying dermal matrix which determines their distribution.
subdivide (verb), subdivides; subdivided; subdividing
To split something into smaller pieces or parts: Using the microscope, the students could watch the cells subdivide several times.

The producers had to subdivide the TV program because it would have been too long to be presented in one segment.

subdivision (suhb" di VIZH uhn, SUHB di vizh" uhn) (s) (noun), subdivisions (pl)
1. A section of an area or a part of something that is already broken up: The contractor's plan calls for the subdivision of the property into several building lots.
2. A section of something which is itself complete but is part of a larger composition: The sports section of Karl's newspaper has a large subdivision in it on the weekends for its numerous athletic fans.
3. The process, instance, or state of being detached into parts again following earlier separations: The subdivisions of the menu listings indicated that certain foods were prepared with nuts which was important for customers who might have allergies.
subdorsal
subduction
1. The action of subduing or fact of being subdued; subjection.
2. A geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate.
subdue
1. To conquer and to subjugate; to vanquish, to defeat.
2. To quiet or to bring under control by physical force or persuasion.
3. To make less intense or prominent; to tone down.
4. Etymology: from Old French souduire "to seduce" from Latin subducere "to draw up" and ducere "to lead".
subepiglottic
Situated under the epiglottis (cartilaginous lidlike appendage, or connective tissue, which closes the glottis while food or drink is passing through the pharynx or throat).
subglossal
Situated under the tongue; sublingual.
subject
subjection
subjective