As adjectives the difference between cynical and optimistic

is that cynical is of or relating to the cynics, a sect of ancient greek philosophers who believed virtue to be the only good and self-control to be the only means of achieving virtue while optimistic is expecting the best in all possible ways.

As nouns the difference between lesson and clas

is that lesson is a section of learning or teaching into which a wider learning content is divided while clas is clause (linguistics).

As a verb lesson

is to give a lesson to; to teach.

As nouns the difference between enchantress and which

is that enchantress is an attractive woman skilled at using magic; an alluring witch while which is an occurrence of the word which .

As a determiner which is

what, of those mentioned or implied (used interrogatively ).

As a pronoun which is

(lb) who; whom; what (of those mentioned or implied).

As an adjective psychokinetic

is of or relating to psychokinesis.

As a noun telekinesis is

(uncountable) the ability to move objects with the power of one's mind.

As a noun improv

is (informal) improvisation.

As a verb adapt is

to make suitable; to make to correspond; to fit or suit; to proportion.

As an adjective adapt is

adapted; fit; suited; suitable.

As nouns the difference between permutations and combination

is that permutations is while combination is the act of combining, the state of being combined or the result of combining.

As a symbol pen

is peruvian nuevo sol.

As a noun train is

elongated portion or train can be (obsolete) treachery; deceit.

As a verb train is

to practice an ability.

As nouns the difference between worms and snakes

is that worms is plural of lang=en while snakes is plural of lang=en.

As verbs the difference between worms and snakes

is that worms is third-person singular of worm while snakes is third-person singular of snake.

As a proper noun Worms

is a city in Rhineland-Palatinate, Germany.

As nouns the difference between substance and mega

is that substance is physical matter; material while mega is meg (megabyte).

As an adverb mega is

very.

As adjectives the difference between relevant and simultaneous

is that relevant is directly related, connected, or pertinent to a topic while simultaneous is occurring]] or [[transpire|transpiring at the same time.