Sentences:  By his ____ understanding of the issues he was able to
gain a reputation for ____.  We thought he possessed ____, but he seemed
____ of his erudition.  Except under the sharp necessities of ____, he was
ruled by a ____ thoroughly tender.

(1) Sect, section, non-sectarian, dissect, insect, intersection, sickle, vivisection, segment; (2) bisect, trisect, insection, sector, secant.

Sentences:  He stood at the ____ of the roads, leaning on the shank
of a sharp ____.  The foreman of the ____ gang is a member of our ____.  The
boy was ____ an ____ with a butcher knife he had previously used to cut
for himself a large ____ of the Sunday cake.  It is a ____ movement.  He
defended the ____ of animals.

(1) Sense, consent, assent, resent, sentimental, dissension, sensation, sensibility, sentence, scent, nonsense; (2) sentient, consensus, presentiment.

Sentences:  A woman of her ____ would shrink from a ____ of this
sort.  He ____ in a single, crisp ____.  To be ____ is to be guilty of ____. 
He had the good ____ to ____ to this course.  He ____ such ____ and the
causes that produced them.  A hound hunts by ____.

(1) Despond, respond, correspond, corespondent, sponsor; (2) sponsion, spouse, espouse.

Sentences:  She ____ that her husband had been ____ with the ____. 
The ____ of the movement could as yet see no reason to ____.

(1 and 2 combined) Structure, instructor, construct, obstruct, instrument, destructive, misconstrue.

Sentences:  The student ____ the intentions of his ____.  He resolved
to ____ every effort to complete the ____.  The ____ was one that might
easily be turned to ____ work.  They ____ a grandstand overlooking the
racetrack.

(1) Terrace, territory, subterranean, inter, terrier; (2) terrene, tureen, terrestrial, terra cotta, Mediterranean, terra firma, parterre.

Sentences:  The ____ was tearing a great hole in the ____ in order
to ____ a bone.  He found rich ____ deposits.  The discoverers laid claim to
the entire ____.

(1) Thesis, parenthesis, antithesis, anathema, theme, epithet, treasure; (2) hypothesis, synthesis, metathesis.

Sentences:  To set two ideas in ____ to each other makes both more
vivid.  By way of ____ he informed me that the subject was ____ to his
father.  On this ____ he can summon a host of picturesque ____.  The ____ is
one you will find it hard to establish.  He was seeking Captain Kidd’s
buried ____.

(1 and 2 combined) Tumor, tumidity, tumult, tumulus, contumacy.

Sentences:  The ____ of his joints was due to rheumatism.  His ____
led to a ____ of opposition.  So excited was he at the discovery of the
____ that he did not permit the ____ on his hand to restrain him from
beginning the excavation.

(1 and 2 combined) Turbid, disturb, perturbation, turbulence, trouble, imperturbable.