Not detecting untrained synonyms

Rasa Open Source
1

I have entities and for each entity, I have defined 8-10 synonyms and train a few of them. My bot is detecting only the trained entities.

2

Did you add the synonyms to the lookup tables?

3

Yes

4

Can you post your pipeline?

5 
language: en
pipeline:
  - name: SpacyNLP
    case_sensitive: false
  - name: SpacyTokenizer
  - name: SpacyFeaturizer
  - name: RegexFeaturizer
  - name: CRFEntityExtractor
    features:
      [
      ["low", "title", "upper"],
      ["bias", "low", "prefix5", "prefix2",
       "suffix5", "suffix3", "suffix2", "upper",
       "title", "digit", "pattern"],
      ["low", "title", "upper"],
      ]
  - name: EntitySynonymMapper
  - name: SklearnIntentClassifier
policies:
  - name: MemoizationPolicy
  - name: KerasPolicy
  - name: MappingPolicy
  - name: FormPolicy