Word Sums
inject
in + ject
a__opt
<ad>
adopt
co__nect
<con>
connect
prefix
<pre> means 'before'
oppose
op + pose
a__sort
<as>
assort
co__pare
<com>
compare
submarine
<sub> means 'under'
support
sup + port
a__tach
<at>
attach
co__bine
<com>
combine
include
<in-> means 'in'
extract
ex + tract
a__cept
<ac>
accept
co__rupt
<cor>
corrupt
obstacle, object
<ob-> means 'in the way of, facing'
effect
ef + fect
a__gravate
aggravate
co__lege
college
eject, erupt
<e-> means 'out, out of'