We don't have synonyms for minionette yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are marionette, mignonette and midinette.
(n) :
(uncountable, US printing, typography, dated) A size of type between nonpareil and minion, standardized as 6½-point.
(n) :
(botany) Alternative form of mignonette. [A plant, Reseda odorata, having greyish-green flowers with orange-coloured stamens, and exhaling a delicious fragrance. In Africa it is a low shrub, but further north it is usually an annual herb.]
(n) :
(uncountable, US printing, typography, dated) A size of type between nonpareil and minion, standardized as 6½-point.
(n) :
(botany) Alternative form of mignonette. [A plant, Reseda odorata, having greyish-green flowers with orange-coloured stamens, and exhaling a delicious fragrance. In Africa it is a low shrub, but further north it is usually an annual herb.]