From Wiktionary, the free dictionary
шишки • (šiški)
- plural of шишка (šiška)
ши́шки • (šíški) f inan or m anim or f anim or f inan pl or m anim pl or f anim pl
- inflection of ши́шка (šíška):
- genitive singular
- nominative plural
- inanimate accusative plural