znine

It will be harder, some will say "just eat meat" but if you really want to go without. You can try:

Fish (if you don't count this as an animal)

• Pretty much any fish, tuna is popular as 1 6oz can has about 40g protein

Dairy

• Milk 8-10g protein per 1 cup
• Eggs (if you don't count these as animals) about 6g ea
• Yogurt ~7-13g/cup depends on flavor/brand
• Cheese anywhere from 5-10+ g per ounce. The harder the cheese the more protein (eg Parmesan > Swiss, cheddar > mozzarella by protein content)
• Cottage cheese about 15g/ half cup

Beans

• Tofu 20g/half cup or ~2.5g per oz
• Soy milk about the same as regular milk
• Common beans (pintos, black beans, etc) 6-10g per half cup
• Split peas not sure, probably 6-10g/ half cup
• Soy beans 15g or a bit less per half cup

Nuts

• Peanut butter 8g/2Tbsp
• Other nuts read the label. Pumpkin seeds have really high protein, pecans low, the rest about 5-10g/4th cup serving.

I got the protein numbers from stuff in my fridge and are for cooked amounts. They will vary a bit. For other ideas just search google.