solid bastion vs full bastion

solid bastion and full bastion both are nouns.

Word	Noun	Adjective	Verb	Adverb
solid bastion	Yes	No	No	No
full bastion	Yes	No	No	No

As nouns, solid bastion and full bastion are synonyms defined as:

solid bastion and full bastion: a bastion that is filled up entirely, and has the ground even with the height of the rampart, without any empty space towards the center.

solid bastion (noun)	full bastion (noun)
a bastion that is filled up entirely, and has the ground even with the height of the rampart, without any empty space towards the center.	a bastion that is filled up entirely, and has the ground even with the height of the rampart, without any empty space towards the center.