• crostin,
• crostine,
• xrostini,
• vrostini,
• frostini,
• drostini,
• ceostini,
• cdostini,
• cfostini,
• ctostini,
• c5ostini,
• c4ostini,
• croistini,
• crositni,
• crostiny,
• crossitini,
• crostinee,
• crostinie,
• crostiney,
• crosteni

• crosstie,
• crust,
• crest,
• crosstown,
• Cristi,
• Cristina,
• Cristie,
• cracticidae,
• Cristen,
• Crowston,
• cryostat,
• Cristin,
• crist,
• Croston,
• cryesthesia,
• Cristine.

The adjective form of the word "crostini" would be "crostini". The word crostini can function as both a noun and an adjective, describing a type of small, toasted bread typically used in Italian cuisine as a base for various toppings or spreads.

The plural form of the word "crostini" is "crostini" as it is already a plural form in Italian.

The singular form of the word "crostini" is "crostino".