9. E, or Ex,—making also ec, ef,—means Out: as, e-ject, to cast out; e-lect, to choose out; ex-clude, to shut out; ex-cite, to summon out; ec-stacy, a raising out; ef-face, to blot out.
10. EXTRA means Beyond, or Out of: as, extra-vagant, syllabled ex-trav'a-gant, roving be-yond; extra-vasate, ex-trav'a-sate, to flow out of the vessels; extra-territorial, being out of the territory.
11. IN,—which makes also il, im, ir,—means In, Into, or Upon: as, in-spire, to breathe in; il-lude, to draw in by deceit; im-mure, to wall in; ir-ruption, a rushing in; in-spect, to look into; in-scribe, to write upon; in-sult, to jump upon. These syllables, prefixed, to English nouns or adjectives, generally reverse their meaning; as in in-justice, il-legality, im-partiality, ir-religion, ir-rational, in-secure, in-sane.
12. INTER means Between, or In between: as, inter-sperse, to scatter in between; inter-jection, something thrown in between; inter-jacent, lying between; inter-communication, communication between.
13. INTRO means In, Inwards, or Within: as, intro-duce, to lead in; intro-vert, to turn inwards; intro-spect, to look within; intro-mission, a sending-in.
14. OB,—which makes also oc, of, op,—means Against: as, ob-trude, to thrust against; oc-cur, to run against; of-fer, to bring against; op-pose, to place against; ob-ject, to cast against.
15. PER means Through or By: as, per-vade, to go through; per-chance, by chance; per-cent, by the hundred; per-plex, to tangle through, or to entangle thoroughly.
16. POST means After: as, post-pone, to place after; post-date, to date after.
17. PRÆ, or PRE, means Before: as, pre-sume, to take before; pre-position, a placing-before, or thing placed before; præ-cognita, things known before.
18. PRO means For, Forth, or Forwards: as, pro-vide, to take care for; pro-duce, to bring forth; pro-trude, to thrust forwards; pro-ceed, to go forward; pro-noun, for a noun.