Kanavar
The word for husband in Tamil is "கணவன்" (kaṇavaṉ).
You should call him "sagalai"
Sister's husband is called Athimber (Brahmin way of Tamil) or Maamaa
You can refer to your husband as "கணவன்" (Kanavan) in Tamil.
கொழுந்தனார் (kozhundhanaar) husband's (usually elder) brother.
you say ''oothaa'' to say purple in tamil
you say ''appa'' in order to say dad in tamil
you say ''kann'' in order to say eye in Tamil
you say ''kaal'' in order to say leg in tamil
you say ''amma'' in order to say mum in tamil
you say ''koodam'' in order to say living room in tamil
We say paal for milk in Tamil.