As a noun clast

is (geology) a fragment of rock that was broken from a larger rock or rock unit.

As an adjective false is

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

As adjectives the difference between inert and masked

is that inert is unable to move or act; inanimate while masked is wearing a mask or masks; characterized by masks; concealed; hidden.

As a noun inert

is (chemistry) a substance that does not react chemically.

As a verb masked is

(mask).

As adverbs the difference between doubtless and certainly

is that doubtless is without doubt; very probably, in all likelihood; doubtlessly while certainly is in a way which is certain; with certainty.

As an adjective doubtless

is characterized by or experiencing no doubt at all, certain; undoubted; undoubting.

As a noun prawn

is a large shrimp, mostly in order dendrobranchiata.

As a verb prawn

is to fish for prawns.

As a proper noun tabby is

.

As nouns the difference between journal and pivot

is that journal is while pivot is center.

As verbs the difference between whispered and muttered

is that whispered is (whisper) while muttered is (mutter).

As adjectives the difference between gullible and foolhardy

is that gullible is easily deceived or duped; , easily cheated or fooled while foolhardy is marked by unthinking recklessness with disregard for danger; bold but rash; hotheaded.

As a noun demon

is demon.

As a proper noun devi is

(hinduism) shakti, the female aspect of the divine, as conceptualized by the shakta tradition of hinduism she is the female counterpart without whom the male aspect, which represents consciousness or discrimination, remains impotent and void.

As nouns the difference between ecohydrology and hydrobiology

is that ecohydrology is the study of the ecological processes associated with hydrology while hydrobiology is (biology) the study of the biology of the organisms that inhabit bodies of water.

As nouns the difference between rigidness and hardness

is that rigidness is rigidity while hardness is the quality of being hard.