We don't have synonyms for lyghte yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are lighte.
(adj) :
Obsolete spelling of light. [Having light; bright; clear; not dark or obscure.]
(n) :
Obsolete spelling of light. [(physics, uncountable) Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.]
(v) :
Obsolete spelling of light. [(transitive) To start (a fire).]
(adj) :
Obsolete spelling of light. [Having light; bright; clear; not dark or obscure.]
(n) :
Obsolete spelling of light. [(physics, uncountable) Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.]
(v) :
Obsolete spelling of light. [(transitive) To start (a fire).]