tunnel; to tunnel (through a potential barrier); letting a grounder go through one's legs
to dig; to excavate; to delve into; to dig up (e.g. vegetables); (for two men) to have anal sex
site; point on a map; spot
verdant; fresh and green; bright green; lush
maze; labyrinth; inner ear
vast; extensive; immense; huge; large; grand
one theory (opinion); another theory (opinion)
another world (esp. in fiction); otherworld; parallel universe; different-dimension world; isekai
to be tied together; to be connected to; to lead to; to be related to; to be related (by blood)
peculiarity; uniqueness; characteristic
formation; molding; making up; repair (e.g. plastic surgery); replacement; -plasty
in; at; on; as for; regarding; with regards to
influence; power; might; strength; potency; force
dispute; strife; quarrel; dissension; conflict; rivalry
to be defeated; to be beaten; to be unsuccessful; to lose
difference (of opinion); strange; odd; different
original; unique; distinctive; independent; one's own; personal
development; growth; development (of a situation, story, etc.); advancement; playing around; having an active sex life
to accomplish; to achieve; to carry out; to arrive at (a certain outcome); to come to; to end with
to be completed; to be finished; to be ready (e.g. to serve or eat); to be very drunk
limestone cave; limestone cavern
cavern; cave; cave system; grotto
cracks or fissures in the ground
valley (with a river running through it); gorge; ravine; canyon
natural phenomenon (phenomena)
activity (of a person, organization, animal, volcano, etc.); action; movie (esp. during the silent movie period)
gradually; steadily; slowly; little by little; step by step; by degrees
connection; attachment; changing trains; conjunction
theory; doctrine; opinion; view; rumour; rumor
influential; prominent; strong; likely; plausible
riddle; puzzle; enigma; enigmatic; mysterious
to fill; to become full (of); to wax (of the moon); to rise (of the tide); to flow; to expire (of a period of time)
throughout; over a period of ...; over a span of ...
drawing; picture; diagram; sight; scene
drawing up (e.g. legal document, contract, will, etc.); preparing; writing; framing; making; producing
attempt; trial; experiment; endeavour (endeavor); effort; venture
to perform; to do; to conduct oneself; to carry out
to accomplish; to achieve; to carry out; to do ... completely; to do ... entirely
adventure; venture; venture which is unlikely to succeed; risky attempt; danger
skill; dexterity; proficiency
adventurous spirit; sense of adventure