The best replacement for male kitten is female kitten.

The best alternatives to male kitten are rated as following:
★★★★★  female kitten
★★  female
  female how to tell

Your alternative for male kitten is not listed? Suggest!
Speaking about male kitten, one probably shouldn't forget about older female.

Other search terms related to male kitten and their ratings are:
★★★★★ older female
★★★★ female cat
You have in mind a companion for male kitten and it is not yet here? Propose!



Google Trends

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male kitten
female kitten
female