Prefixes
Suffixes
Suffixing
Bases
Miscellaneous
100

before

pre

100

plural (more than one)

<s> or <es>

100

boast + ful

boastful

100

come

<vent>/<vene>

100

Prefix meaning: across

<trans->;<tran>; <tra->

200

again, back

re

200

present tense

<-ing>

200

star + ing

starring

200

carry

<port>

200

Suffix: 1)noun forming; 2) added to <-ate> to make a suffixal construction

<-ion>

300

not, (opposite of)

un

300

past tense

<-ed>

300
erase + ed

erased

300

shape; form

<form>

300

Suffix:  1) noun forming; 2) when added to a base that ends in <t>, the <t> says [สง] 

<-ure>

400

together, with

com

400

comparative (adjective forming) meaning "more"

<-er>

400
empty + er

emptier

400

build

<struct>

400
Base meaning: hear

<aud>

500

between

inter

500

comparative; adjective forming; meaning "most"

<-est>

500

joy+ ous

joyous

500

write

<scribe> - <script>
500

Prefix meaning "forward"

<pro->