Union
$$A \cup B =$$
{ accomodator, assimilator, be, converger, diverger, do, exist, feel, love, say, see, think }
Symmetric Difference
$$A \ominus B =$$
{ accomodator, assimilator, be, converger, diverger, do, exist, feel, love, say, see, think }
Cartesian Product
$$A \times B =$$
{ (be, accomodator),
(be, assimilator),
(be, converger),
(be, diverger),
(do, accomodator),
(do, assimilator),
(do, converger),
(do, diverger),
(exist, accomodator),
(exist, assimilator),
(exist, converger),
(exist, diverger),
(feel, accomodator),
(feel, assimilator),
(feel, converger),
(feel, diverger),
(love, accomodator),
(love, assimilator),
(love, converger),
(love, diverger),
(say, accomodator),
(say, assimilator),
(say, converger),
(say, diverger),
(see, accomodator),
(see, assimilator),
(see, converger),
(see, diverger),
(think, accomodator),
(think, assimilator),
(think, converger),
(think, diverger) }