In Kannada, sea is called Saagara or Samudra or Kadalu.
Sandra/ Sandhra means samudra (sea) or a waterbody
In Kannada, we would say: Guruvara.
The Kannada word for 'phosphor' is Ranjaka.
The Kannada word for 'impact' is 'ಪರಿಣಾಮ' (parināma).
The Kannada word for 'blackgram' is 'uddina bele'.
There is no separate Kannada word for Christmas, it is called Christmas.
The word dhanyavadagalu means Thank you in Kannada.
In Kannada, we would say:Vidyunmana Anche (Electronic Mail)
Kannada word for broccoli is Kosugedde or Kōsugaḍḍe. (ಕೋಸುಗಡ್ಡೆ)
The Kannada word for 'helmet' is "ಮೆಟ್ಟಲು" (mettaloo).
The Kannada word for 'achievement' is "ಪಡೆದುಕೊಳ್ಳುವುದು" (paḍedukoḷuvudu).
In Kannada, we would say:Sankeerna