Often they 
reenforce the communication of the ideogram  by repeating the first or last syllable in the term.  In cuneiform : In Sumerian, the
Kaynak: Phonetic complementThe base of the shell is well rounded, attenuated anteriorly to 
reenforce the columella .  The entire surface is covered by numerous
Kaynak: Odostomia columbianaIn September 1940 the 243d Coast Artillery Regiment  of the Rhode Island National Guard was mobilized and sent to Fort Adams to 
reenforceKaynak: Fort Adamsmood, the mechanisms of which act to 
reenforce each other, keeping the sufferer in a perpetual state of stress arousal, coupled with dysphoria.
Kaynak: Anxiety/aggression-driven depression