Is there a difference between 型態 and 形態？ Both appear in my dictionary (CC loaded by pleco). The first definition reads:

“Form, shape, type, style, pattern”. No examples.

The second reads: 

“Form, shape, pattern, morphology”. One example:


  社會經濟形態


The native pleco dictionary (PLC) contains only 形態。

Edit:

Evidence for the use of 型態：

Chinese Wikipedia 生活型態 

Chinese Wikipedia 意識型態 

資料型態 

I also found  this question about exactly the same thing in Chinese with a couple of answers I have trouble understanding. The answer I understand best seems to suggest 形態 is applicable to material things，while 型態 is more general. This seems hard to reconcile with my dictionary defining both as shape, but at least agrees with the occurrences of 型態 I provided.
We could firstly define the differences between 形 and 型.  While both defining as shape, I will say 型 is more toward 'shaped' in a sense:  


  形 focus on the description of appearance, like a circle (圆形), square (正方形) which are
  mostly tangible, where 型 refers to standardizing of
  form / shape / pattern.  


For example, 人的形態 - the form of a man - describe the appearance / gesture of a man.  Same goes for 社會經濟形態 - description of the economic form of a society.  

資料型態 - data type - the types of data defined such as integer / float / etc.

Also note that 形 can be used as a verb which has various meaning depends on usage.