Prehistoric Time Word Search — Hard

Play a free online Prehistoric Time word search puzzle. Difficulty: Hard. Find all 12 hidden words on the 12×12 grid below.

Words to find

SUN
LEVEL
GAS
SNAIL
MAMMAL
LAVA
PERMIAN
CLAMS

Plus 4 hidden bonus words.

Prehistoric Time word list, defined

SUN /sʌn/ · noun: The star at the center of the solar system, around which the planets revolve. The sun is the primary source of light and heat for the Earth. Related: day, daylight, morning, noon.
LEVEL /ˈlɛvəl/ · noun, verb: A particular point or position in a scale or hierarchy; a standard or criterion of measurement. To bring to a particular level or standard. Related: degree, grade, rung, step.
GAS /ˈɡæs/ · noun, verb: A substance that is a fluid at room temperature and pressure, consisting of a mixture of the elements hydrogen and carbon, especially one used as a fuel. Related: fuel, petrol, propane, butane.
SNAIL /snɛɪl/ · noun: A slow-moving, slimy, shell-bearing mollusk that feeds on plants and algae. A snail is typically a gastropod with a spiral shell. Related: slug, mollusk, gastropod, limpet.
MAMMAL /mæməl/ · noun: A warm-blooded animal that has hair or fur and whose females produce milk to feed their young. Related: animal, vertebrate, warm-blooded, carnivore.
LAVA /ˈlɑːvə/ · noun: Molten rock from a volcano, or a flowing mass of molten rock from a volcano. It can also refer to a type of rock that is rich in iron and magnesium. Related: magma, molten rock, volcanic rock, igneous rock.
PERMIAN /ˈpɜːrmɪən/ · adjective, noun: Relating to or denoting the Permian period, a geologic period and system that extends from about 299 to 252 million years ago. The Permian period is also known as the period of the greatest mass extinction event in Earth's history. Related: Permian period, Permian era.
CLAMS /klæmz/ · noun: Clams are edible bivalve mollusks with two hinged shells, typically burrowing in sand or mud along coastlines; the word is also used in American slang to mean dollars or money. Related: bivalves, shellfish, mollusks, bucks.

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I	A	I	N	O	S	K	O	O	C	U	L
S	O	N	N	J	T	X	N	R	N	A	X
C	Y	N	K	G	X	U	A	M	L	W	F
O	R	D	A	C	S	X	L	A	B	P	L
R	D	N	S	I	L	M	V	Z	T	H	B
P	I	I	E	M	M	A	T	D	G	Y	P
I	M	S	N	M	A	R	Y	P	E	T	Y
O	A	N	L	O	I	L	E	E	C	Y	Z
N	M	A	E	N	S	C	C	P	A	K	G
W	M	I	V	O	S	A	E	B	L	B	I
M	A	L	E	E	A	H	U	P	I	K	K
T	L	Z	L	I	G	M	X	R	S	G	L

I	A	I	N	O	S	K	O	O	C	U	L
S	O	N	N	J	T	X	N	R	N	A	X
C	Y	N	K	G	X	U	A	M	L	W	F
O	R	D	A	C	S	X	L	A	B	P	L
R	D	N	S	I	L	M	V	Z	T	H	B
P	I	I	E	M	M	A	T	D	G	Y	P
I	M	S	N	M	A	R	Y	P	E	T	Y
O	A	N	L	O	I	L	E	E	C	Y	Z
N	M	A	E	N	S	C	C	P	A	K	G
W	M	I	V	O	S	A	E	B	L	B	I
M	A	L	E	E	A	H	U	P	I	K	K
T	L	Z	L	I	G	M	X	R	S	G	L

I	A	I	N	O	S	K	O	O	C	U	L
S	O	N	N	J	T	X	N	R	N	A	X
C	Y	N	K	G	X	U	A	M	L	W	F
O	R	D	A	C	S	X	L	A	B	P	L
R	D	N	S	I	L	M	V	Z	T	H	B
P	I	I	E	M	M	A	T	D	G	Y	P
I	M	S	N	M	A	R	Y	P	E	T	Y
O	A	N	L	O	I	L	E	E	C	Y	Z
N	M	A	E	N	S	C	C	P	A	K	G
W	M	I	V	O	S	A	E	B	L	B	I
M	A	L	E	E	A	H	U	P	I	K	K
T	L	Z	L	I	G	M	X	R	S	G	L