to be needed; to be necessary; to be required; to be wanted; to need; to want
small; little; slight; below average (in degree, amount, etc.); low (e.g. sound); soft (e.g. voice)
big; large; loud; extensive; spacious; important
let me see; well; errr ...; uhh ...
exchange; interchange; switching; reciprocity; barter; substitution
never mind that; don't worry about that; listen up
extra-sensory perception; ESP; psi; psychokinesis; PK
to be opposite; to face each other; to confront (an issue); to face
any more; anymore; any further; any better; any longer
previously; before; first; before (something or someone else); beforehand; in advance
to turn back; to go back; to come back; to return; to retrace one's steps
prefix for forming ordinal numbers