The first thing about Thai food is that no place can agree on the correct pronunciation into English, and the more unusual the ingredients the better it is. Mint, peanut, lemon grass, cilantro make appearances. Like many places that serve spicy foods, you can ask for it to be toned down. ….usually.
For starters try Tom Ka Gai. A mild coconut chicken soup
I love Tod Mun., fishcakes served with sweet cucumber and peanuts
Larb is a good spicy salad of ground, chicken, beef or pork. I recommend you ask for it mild. I do.
Pad Thai is the ‘go to’ item for most neophytes. I have never seen it with pork, though I would order it. Chicken and shrimp are the usual offerings.
Baah Ben mentions Mee Grob. I’ve seen it spelled Mee Krob in some of my Thai cookbooks. I wish I could find it at more restaurants.
Tom Ka Kai is a great suggestion!