They are gramatika and negramatika.
Some key features of Esperanto grammar include its agglutinative nature, use of affixes to indicate parts of speech, a flexible word order, and the use of correlatives to express relationships between words. It also has a simple system of verb conjugation and no grammatical gender.
The Esperanto words for far and away are malproskime and for.
The Esperanto words for astronaut and cosmonaut are very similar to the English words. In Esperanto you would use astronaŭto and kosmonaŭto.
The Esperanto words for boring and fun are enuiga and amuza.
Salt is "salo" and pepper is "pipro" in Esperanto.
The Esperanto words for near and far are proksime and malproksime.
The Esperanto words for car and driver are aŭto and ŝoforo.
The Esperanto words for alive and dead are vivas and mortinto.
The Esperanto words for hungry and full are malsata and plena.
The Esperanto words for broken and fixed are rompita and fiksa.
The Esperanto words for foreign and native are eksterlanda and denaska.
The Esperanto words for hard and soft are malfacila and malvarmeta.