The plural form of the noun cockroach is cockroaches.
To say "kiss" in Malayalam, you can use the word "ചുംബനം" (chumbanam).
same
You can say "ഞാൻ മലയാളം അറിയുന്നു" (njan malayalam ariyunnu) to mean "I know Malayalam" in Malayalam.
You can say "അതെന്താണ് അത്" (athenthaanu athu) in Malayalam to ask "What is that".
In Malayalam we say 'dayavaayi' for the English word please.
veettil malayalam samsarikkaruthu
In Malayalam we use 'engane' for the word 'how'.
It's Kudumbam in Malayalam.
To say "tell me" in Malayalam, you can say "ഞാൻ പറയിക്കുക" (pronounced as njan parayikkuka).
To say "I understand" in Malayalam, you can say "ഞാൻ മനസ്സിലായി" (njaan manassilaaya).
"നീയെവിടെ ഉണ്ടെന്ന് പറഞ്ഞു" (neeyevide undenne paranju) is how you could say "Where are you?" in Malayalam.