palindrome

a word, phrase, or sequence that contains the same ordered elements when read backwards as forwards.

anagram

word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once

exam(ination), test [education]

formal assessment involving answering written or oral questions usually under a time constraint "Examinations at the Imperial Academy are famed for their brutality."

opal

silica gemstone mineral, "Riker and Troi had their honeymoon on the Opal Sea on Betazed."

A popular Klingon street food

This could be the name of both the dish and the creature it is prepared from. It is a speciality of the veng wa'DIch region…

kite

lightweight toy or other device, carried on the wind and tethered and controlled from the ground by one or more lines. "The child's kite was…

cilantro

A leafy or garnishy vegetable of the family Apiaceae (on Earth, used in Chinese, Thai, Mexican and foodie cuisines), or the Kronos equivalent

key [music]

group of pitches, or scale, that forms the basis of a musical composition

session, shift

period of time dedicated to a particular activity, such as instruction, gameplay, exercise, professional work, or group performance. "The High Council is now in session."

inertia [physics]

the tendency of an object in motion to stay in motion, and of an object at rest to stay at rest