nature, core, heart, substance
Two synonyms for "ghost" are "spirit" and "phantom." Both terms refer to the essence or presence of a deceased person that is believed to linger in the physical world.
essence, illustration, type, representation, apotheosis, ultimate, exemplar
There are several listed synonyms for the word necessities. Some include cause, essential, demand, obligation, claim, imperative, and the word essence.
centre, heart, essence, nucleus, kernel, crux, gist, nub, pith
two synonyms for sympathetically are to care and concern
Two synonyms for the word 'strong' are 'tough' and 'capable'
Synonyms for the word collation:comparison, examination
Two synonyms for vigilante are alone and isolated.
There aren't any synonyms for thousand
Synonyms for alternate are, different, varied.
anxiousness, disquiet, panic
Two synonyms for 'grinning' would be 'beaming' and 'smiling'.