As adjectives the difference between problematic and tricky

is that problematic is posing a problem; difficult to overcome or solve while tricky is hard to deal with, complicated.

As a noun problematic

is (chiefly|in the plural) a problem or difficulty in a particular field of study.

As a noun confluency

is (biology) a measure of the proliferation of cells in a culture medium.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a proper noun grove

is for someone who lived near a grove.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between psychotic and insanity

is that psychotic is a person affected by psychosis while insanity is the state of being insane; madness.

As an adjective psychotic

is of, related to, or suffering from psychosis.

As nouns the difference between fishwife and housewife

is that fishwife is a woman who sells or works with fish (this is another name for a female fishmonger) while housewife is the wife of a householder; the mistress of a family; the female head of a household.

As a verb housewife is

.

As a noun vanity

is that which is vain, futile, or worthless; that which is of no value, use or profit.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As verbs the difference between overcome and countered

is that overcome is to surmount (a physical or abstract obstacle); to prevail over, to get the better of while countered is (counter).

As verbs the difference between rolled and overturned

is that rolled is (roll) while overturned is (overturn).