Synonym & antonym suggestion for HSC

After the flight of Yuri Gagarin, the first human being to travel to (a) outer space in 1961, the Soviet Union decided to send a woman in space (b) Proletarian Valentina Tereshkova was selected for this project from among more than four hundred applicants. Since the successful (c) launch of the spacecraft Vostok-5 on 14 June 1963. Tereshkova (d) began (e) preparing for her own fight. On 16 June 1963, she was dressed in space-suits and taken to the space shuttle launch pad by a bus. After completing her communication life support checks, she was scaled inside Vostok-5. Finishng a two-hour countdown, Vostok-5 launch (f) faultlessly. Although Tereshkova experience (g) nausea and physic (h) discomfort for much of the flight, she orbited the earth 48 times and spent almost three days in space. She also (i) maintained a fight log and took photographs of the horizon, which were (j) later used to identify aerosol layers within the atmosphere.

(a) outer (antonym) ⸻ inner

(b) proletarian (synonym) ⸻ working class, common

(c) launch (synonym) ⸻ introduction, inauguration

(d) began (antonym) ⸻ ended, finished, ceased, stopped

(e) prepare (synonym) ⸻ make, produce, arrange, ready, develop, get ready

(f) faultless (antonym) ⸻ faculty, defective, imperfect, wrong, flawed, blemished

(g) nausea (synonym) ⸻ vomiting, retching, biliousness, queasiness, sickness

(h) discomfort (antonym) ⸻ comfort, ease

(i) maintain (synonym) ⸻ sustain, continue, retain, care for, take care, keep up

(j) later (antonym) ⸻ earlier, before