Rough, crude, raucous, strident, discordant, bitter, bleak, noisy, unrelenting, tuneless, severe...
Given the richness of English, a number of words ending in "tive" that are synonymous with "harsh" may be found. One example is the word "punitive", which literally means "punishment-related" but has typically carried the additional meaning of "harsh or unjustified" into its more basic sense.
No, they are not synonymous.
The suffix for synonymous is "-ous."
No, but "dedicate" and "devote" are synonymous.
no these are not synonymous terms
luminosity is synonymous to brightness
You've spelled the word "synonymous" correctly :)
In humans, ventral is synonymous with Anterior.
Words synonymous to the term "biting" are chomping, itching, and nipping. Other synonymous words include stinging, marking, burning, pinching, and wounding.
Breath, air, wind, spirit and ghost were synonymous terms.
Vietnam could be considered as being synonymous to Viet Cong.