Fourteen Words Key to 100,000 Words

PREFIX	SPELLINGS	MEANING	#	KEYWORD	MEANING	ROOT	SPELLINGS	MEANING
de		down, away	1	DETAIN	delay	tam	ten, tin	to have, hold
inter		between	2	INTERMITTENT	periodic	mitt	miss, mie, mit	to send
pre		before	3	PRECEPT	principle	cept	cept,cap, ceiv, ceit, cip	to take
ob	oc,of,op	to,toward, against	4	OFFER	provide	fer	lat, lay	to bear, carry
in	il,im,ir	into, not	5	INSIST	demand	sist	stat, sta, stan	to stand, endure, persist
mono		one, alone	6	MONOGRAPH	writing	graph	gram	to write
epi		over,upon, beside	7	EPILOGUE	ending	log	ology	speech, science
ad	a, ab, ac, af, ag, al, am, an, ap, ar, as, at, a	at, to, towards	8	ASPECT	distinct feature	spect	spec, spi, spy	To look
un		not	9	UNCOMPLICATED	clear	plic	play,plex, ploy, ply	speech, science
com	co,col, car	with
non		not	10	NONEXTENDED	core	tens,tend		stretch
ex	e,ef	out
re		back, again	11	REPRODUCTION	replica	duct	duc, duit, duk	To lead, make, shape, fashiion
pro		forward, in favor
in	il, im, ir	not	12	INDISPOSED	not well	poc	pon,poat	put,place
dis	di,dif	apart from
over		above	13	OVERSUFFICIENT	over supply	fic	fac,fact, fash, feat	To make or do
sub	suc,suf, sug, sup	under
mis		wrong	14	MISTRANSCRIBE	write incorrectly	scribe	scrip,scriv	write

Prefixes for Size and Number

Technical Numeric Prefixes

Standard Metric (SI) Prefixes, Values and Common Usage
There are many different size prefixes that are used to denote large and small numbers. The standard prefixes, from one trillion to one trillionth, are denoted below, along with some of the common places in the computer world where you will see them used:

Name	Abbr.	Decimal Power	Factor	Common Usage
tera	T	10^12	1,000,000,000,000	large data warehouses (TB)
giga	G	10^9	1,000,000,000	mass storage (GB), CPU speed (GHz)
mega	M	10^6	1,000,000	storage (MB), memory (MB), CPU speed (MHz), others
kilo	K	10^3	1,000	memory (KB), communication speed (KB/sec), others
milli	m	10^-3	0.001	drive access speed (ms)
micro	µ (Greek "mu")	10^-6	0.000001	various circuit speeds (us)
nano	n	10^-9	0.000000001	memory speed (ns), CPU cycle length (ns), capacitors (nF)
pico	p	10^-12	0.000000000001	capacitors (pF)

Knowledge Idioms

KNOWLEDGE / UNDERSTANDING / COMPREHENSION IDIOMS

from http://www.english-zone.com/idioms/brain-idioms.html

---

-A-
all right
as easy as pie

---

-B-
be a piece of cake
beat one's brains out
beats me
believe it or not
bite off more than one can chew
brainstorm
brush up on
burn the midnight oil
by one's self

---

-C-
can't believe (one's) eyes
can't make heads or tails of something
catch on
change one's mind
(be) a cinch
clear up
cram
crash course

---

-D-
ditch class

---

-E-
easy does it!
egghead
elbow grease

---

-F-
far-fetched
find one's way around

---

-G-
get it
give it one's best shot
go to pieces
go to the dogs

---

-H-
hard nut to crack
hard-headed
have (something) down pat
hit the books

---

-I-
in fact
in other words
in over one's head
in the swing of things

TOP

---

-K-
kind of / kinda
knock (one) for a loop
know something backwards and forward
know something inside out
know the ropes
know-it-all 

---

-L-
lead the way

---

-M-
make a note of
make sure
make up one's mind
mind one's P's and Q's

---

-N-
no ifs, ands, or buts about it
no wonder
not all there

---

-O-
OK
on the ball
on the go
on the level
on the line
on the tip of (one's) tongue
or so
out of the question
over (one's) head

---

-P-
pay attention to
pop quiz
pull an all-nighter
put two and two together

---

-Q-
quick study
quit while you’re ahead

---

-R-
read someone's mind

---

-S-
savvy
scatterbrained
shoot off (one's) mouth
show off
sort of
so-so
stick to one's guns
swelled head

---

-T-
talk through (one's) hat
tough
tricky

---

-U-
until you're blue in the face
use (one’s) noodle

---

-Y-
You must be kidding! 

WP C1 Position and Direction Map