γῆς [59 verses](noun sg fem gen) "Earth" is ge, which means "the element of earth," "land (country)," "arable land," "the ground," and "the world" as the opposite of the sky. Like our English word "earth," it means both dirt and the planet. -- The word translated as "earth" means "ground," "land," "country," and "dirt." Translated as "earth," it refers to the physical planet, not society, which Jesus describes as the world. See this article for more on these words.

γέενναν: [11 verses](noun sg fem acc) "Hell" is geenna which is Greek for Gehenna, the valley of Hinnom (the Hebrew word), south of Jerusalem where trash, including diseased animals and human corpses was burned. A constant fire was kept burning there. -- (CW) The word "hell" is the name of an area, Gehenna, where a constant fire was kept for disposing of trash from Jerusalem. This area may have been originally where children were sacrificed to Baal, and Baal (Beelzebub, "lord of the flies"), Jesus's personification of evil. See this article for more.  CW --Confusing Word -- The "hell" does not capture the word's specific meaning.

γείτονας [3 verses] (noun pl masc/fem acc) "Neighbors"is geiton, which means "neighbour", "borderer", "from or in the neighbourhood", and "be of like kind". -- The noun translated as "neighbor" means "neighbor" or "one of like kind". This is not the common word translated as "neighbor" in verses such as "love they neighbor".

γ​ελάσετε. [2 verses] (verb 2nd pl fut ind act or verb 2nd pl aor subj act) "Ye shall laugh" is from gelao, which means to "laugh", "laugh at", and "deride". - The verb translated as "laugh" means "to laugh" but it covers not just happy laughter. It includes laughing at people and deriding them. Its use is entertaining because so much of what Jesus said was designed to make people hearing him laugh. Some of the humor was even used to deride others in a light-hearted way. 

Γεμίσατε [2 verses](verb 2nd pl aor imperat act) "Fill" is gemizo, which means to "fill full of," "load," "freight," "stuff," "gorge," and "charge with."  - The word translated as "fill" means "fill full of," "load," "freight," "stuff," "gorge," and "charge with." The sense is filling or loading to capacity.