exact syllable matches

the
air of a scientist
 
best years of my career
that have
characterized the year
untimely
death of the scientist
once, an
elephant might appear
 
gentleman scientist
 
gentleman scientists
 
getting hurt, like one did
scrollwork
head of a violin
other
senses derived from this
least
several lines of it
strike
several times a year
of
them were just frightening

with 1 extra syllable

has personified the
American pioneer
For Roger Shepard,
American scientist
very
commencement of my career
 
direct inward dialing
 
however one slices it
again as a
professional cyclist
don't give them
professional licenses
completely
symmetrical, like a sphere