There is another case, in which we discover the reason for changing the
accent, and that is, when it is required by emphasis, as in the following:


EXAMPLES. (33)

1. His abil'ity or in'ability to perform the act materially varies
the case.
2. This corrup'tion must put on in'corruption.



SECONDARY ACCENT. (34)

In words of more than two syllables, there is often a second accent given,
but more slight than the principal one, and this is called the secondary
accent; as, em"igra'tion, rep"artee', where the principal accent is marked
('), and the secondary, ("); so, also, this accent is obvious, in
nav"iga'tion, com"prehen'sion, plau"sibil'ity, etc. The whole subject,
however, properly belongs to dictionaries and spelling books.



EMPHASIS. (34)

Emphasis consists in uttering a word or phrase in such a manner as to give
it force and energy, and to draw the attention of the hearer particularly
to the idea expressed.

This is most frequently accomplished by an increased stress of voice laid