ts_ through it, or
_between_ its parts.

10. An _interval_ is an open space or stretch between things or
limits. Formerly it meant a space _between walls_.

11. To _come between_ persons, things, or events.

12. A mutual exchange of _views between_ two or more people.

#non# = not, un.

The prefix _non-_ may be joined to the leading word by means of a
hyphen, or, in most cases, the hyphen may be dispensed with.

1. noncommittal
2. non compos mentis
3. nonconductor
4. nondescript
5. nonentity
6. nonessential
7. nonpareil
8. non-payment
9. nonplus
10. non-resident
11. nonsense
12. nonsuit

2. _Com_, with + _pos_, power + _mentis_, of mind. Literally, _not
with power of mind_. Not of sound mind; not capable, mentally, of
managing one's own affairs.

4. That which has _not_ been _described_; difficult to describe; new,
novel, odd.

5. _Entity_ means thing or being; hence a _nonentity_ is _no thing_ or
nothing. Often applied to a person or thing which counts for little or
_nothing_.

9. _Plus_ means more. Literally, a person is _nonplused_ when he can
do _no more_, or go no further; puzzled, confounded, embarrassed.

(It seems unnecessary to append definitions or illustrations to other
words of the above list.)

#per# = through, thoroughly, by.

1. per _ambul_ ate, walk
2. per _ceive_, take
3. per _cent_, hundred
4. per _col_ ate, filter
5. per _enni_ al, year
6. per _fect_, make
7. per _for_ ate, bore
8. per _form_, form
9. per _fume_, smoke
10. per _mit_, let go
11. per _plex_, entangle
12. per _secute_, follow
13. per _sist_, stand
14. per _vade_, go
15. per _vert_, turn
16. per _vi_ ous, way

1. To _walk through_ or over. He got out of bed and _perambulated_ the
room for some minutes.

2. To _take_ or obtain knowledge _through_ the senses. To _take_ with
a _thorough_ mental grasp; to understand.

3. _By_ the _hundred_.

4. To pass _through_; as, a _filter_ or strainer.

5. Lasting _through_ the _year_, or through many years.

6. _Thoroughly made_; finished in every part; without blemish or
defect.

7. To _bore through_; to make holes in; to pierce.

8. To _form thoroughly_; to execute, accomplish, or carry out.

9. "To _perfume_ means literally to _smoke thoroughly_. Hence to
impregnate or fill with scent or odor."--_Kennedy._

10. By this _permit_ we may _go through_ the factory.

11. To _entangle thoroughly_. "Love with doubts _perplexes_ still the
mind."

12. T