Tamil - Malay loanwords

A
Acuan - from Tamil Acu meaning mould
Agama - from Tamil Agamam meaning Religion
Alam - from Tamil Alam meaning Universe
Alun - from Tamil Alai meaning Wave
Amal - from Tamil Amal meaning Administer
Aneka - from Tamil Aneka meaning Various, Many

B
Bahasa - from Tamil Pasai meaning Language
Bambu - from Tamil Vembu meaning Neem Tree
Bumi - From Tamil Bhumi meaning Land
Bunga - from Tamil Poongga meaning Flower or Flower garden

C
Cakera - from Tamil Cakera meaning Wheel
Candu - from Tamil Chandu meaning Opium
Catur - from Tamil Chaturanggam meaning Chess
Culan - from Tamil Cholan meaning a Royal Title used by the Chola Kings

D
Denda - From Tamil Dhandam meaning fine.
Derma - from Tamil Dharmam meaning Donation
Desa - from Tamil Desam meaning Cuntry
Dirgahayu- from Tamil Thirgayusu meaning live for long time

E
Eka - from Tamil Eka meaning One, Sole
emak - from Tamil amma meaning mother

F
G
Gagak - from Tamil kakka meaning Crow
Gajah - from Tamil Gajam meaning Elephant
Ganja - from Tamil kanja meaning Cannabis

H
Harimau (Tiger) - from Tamil Arimaa meaning a 'Majestic Lion'

I
Isteri - From Tamil Sthri meaning Lady or Wife.

J
Jiwa - from Tamil Jeevan meaning Soul

K
kakak - from Tamil akka meaning older sister
Kapal - from Tamil Kappal meaning Ship
Kari - From Tamil Kari meaning Curry.
katil - From Tamil Kattil meaning bed.
kedai - from Tamil kadai meaning shop
Keldai - From Tamil Kaladai meaning Donkey.
Kolam - From Tamil Kulam meaning pond.
Kotak - from Tamil Kottaan or Kottaa meaning a case.
Kuil - From Tamil Kovil meaning temple.
Kupang - from Tamil Kuppam meaning a fishing hamlet

L
Logam - From Tamil ulogam meaning metal.

M
Maligai - From Tamil maaligai meaning castle.
Mempelam - from Tamil Mampalam meaning A type of fruit, Mango.
Misai - From Tamil Misai moustache.
Muka - From Tamil Mugam meaning Face.

N
Negara - from Tamil Nagaram meaning City or State

O
P
Padi - from Tamil Padi meaning Rice
Perahu - from Tamil Padagu meaning Boat
Permaisuri - from Tamil Parameswari meaning Queen
Putra - From Tamil Putran meaning Son or People.
Putri - From Tamil Putri meaning Daughter.
Putu ( as in Putu Piring / Putu Mayam) - from Tamil Puttu , a dish made of rice flour and coconut shreds.

Q
R
Raja - From Tamil Raja meaning king.

S
Sarong - from Tamil Saaram or Malayalam Chaaram meaning a waist cloth.
Satay - from Tamil Sathai meaning flesh
Sepatu - from Tamil Sappattu meaning Sandals
Singa - From Tamil Singam meaning Lion.

T
Taulan - from Tamil Tholan meaning Friend.
Tirai - From Tamil Tirai meaning screen or curtain.

U
V
W
X
Y
Z

The above list is only the tip of iceberg. There are a lot of other words.