This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Panda - Pandas
Knife - Knives
Canoe - Canoes
Step-brother - Step-brothers
Motto - Mottoes
Criterion - Criteria 
Sister-in-law - Sisters-in-law
Louse - Lice

thank anika i have a question again
what are the plural of furniture alley allumnus
furnitures, alleys, alumni :)