Word Parts Lists for 9-12
9th Grade Word Parts
ASTRO | star | UN-, IN-, IM-, IR-, ILL- | Not, opposite |
BEN/BENE | good | RE- | again |
MAL | bad | DIS-, NON- | not |
AQUA | water | EN-,EM- | Cause to |
AUTO | self | IN-, IM- | In or into |
BIBLIO | book | OVER- | Too much or above |
CLAR | clear | MIS- | wrongly |
DIC/DICT | speak/say | SUB- | Under or lower |
MAN | hand | PRE- | before |
PED | foot | INTER- | Between, among |
SPECT | look | -EST | (adj) most |
HOMO | same | -ABLE, -IBLE | (adj) is, can be |
MORT | dead | -ATE | (v) to make |
LUNAR | moon | -ICIOUS | (adj) full of |
VIV/VITA/VIVA | life | -AR/OR/ER | (n) one who does |
OMNI | all | -FY | (v) to make |
MATER | mother | -ITY | (n) state of being |
PATER | father | -IVE | (adj) like |
PHOTO | light | -OLOGY | (n) the study of |
PORT | cart | -ESCENT | (adj) becoming |
10th Grade Word Parts
| EQUI | equal | DE- | Opposite of |
| FIN | End, ended, finished | TRANS- | across |
| FORM | Form, shape | SUPER- | Above, beyond |
| GEN | Birth, race, produce | SEMI- | half |
| GRAT | pleasing | ANTI- | against |
| MANIA | madness | MID- | middle |
| OMNI | All, every | UNDER- | Too litte, below |
| TERRA | earth | ANTI- | against |
| THERM | heat | EX- | former |
| TRACT | Draw, pull | FORE- | before |
| ULTIMA | last | -ENT | To form (adj) |
| VAC | empty | -ORY | Place for (adj) |
| VEN, VENT | come | -OUS | Characterized by (adj) |
| VID, VIS | see | -ATE | To become associated with (v) |
| ACT | do | -FY | Make, do (v) |
| AERO | air | -ISE, IZE | To become like (v) |
| AUD | hear | -IE | Like, having the nature of (adv) |
| FLECT, FLEX | bend | -LY | Like, to the extent of (adv) |
| GRAPH | write | -ENT | To form (adj) |
| JUD, JUR, JUS | law | -ANCE, -ENCE | State or quality of (n) |
11th Grade Word Parts
| INNER | within | INTER- | Among, between |
| LAB | work | INTRA- | within |
| LIBER | free | MICRO- | Small, short |
| LOC | place | MIS- | Wrong, not |
| METER | measure | MULTI- | Many, much |
| MIGR | change, move | NON- | not |
| MISS, MIT | send | OVER- | Too much |
| MORPH | shape | POST- | after |
| NAT | born | PRE- | before |
| ORDIN, ORD | row, rank | PRO- | Favor |
| ORTHO | straight | TELE- | distant |
| PATH | disease, feeling | -ESS | (n) one who (female) |
| PHIL | love | -ETTE | (n) small |
| POLI | city | -ISH | (adj) relating to |
| PSYCH | mind, soul | -LESS | (adj) without |
| QUES, QUER, QUIS | ask, seek | -LIKE | (adj) resembling |
| RAD | ray, spoke | -MENT | (n) action or process |
RECT | straight | -NESS | (n) state or quality of |
| RUPT | break | -SHIP | (n) state or quality of |
| SAN | health | -ACIOUS | (adj) inclined to |
12th Grade Word Parts
| SAUR | lizard | TRANS- | across |
| SCI | Know | UNDER- | Below, less than |
| SCOP | see | AMBI-, AMPHI- | Both, around |
SCRIBE, SCRIPT | write | AUTO- | self |
| SIGN | mark | BE- | make |
| STRUCT | build | BENE- | good |
| TACT | touch | BI-, BIN- | two |
| TERR | land | CENT-, CENTI- | hundredth |
| TRIB | give | CIRCU- | around |
| URB | city | CO- | together |
| VAC | empty | -A, -AE | Plural noun |
| VAR | different | -ADE | Action or process (n) |
| VOC | voice | -ANCY, -ENCY | State or quality of (n) |
| VOID | empty | -ANT, -ENT | One who (n) |
| VOL | Wish, will | -ARIAN | One who (n) |
| VOLV | turn | -ARIUMY, -ORIUM | Place for (n) |
| ALT | high | -ARY, -ORY | Place for (n) |
| ANTHR | man | -ATION, -ION | State or quality of (n) |
| BREV | short | -ATIVE | Incline to (adj) |
| BELLI | war | -DOM | State or quality of (n) |