Under Compute we have
Google Compute Engine
Google Kubernetes Engine
Google Application Engine for complex large scale apps
Google Cloud Functions similar to AWS Lambda for small applications
Under Storage we have
Google Big Table is a NoSQL service
Google Cloud Storage similar to AWS S3 Buckets
Cloud SQL is similar to AWS RDS Service for relational databases
Google Spanner is RDS with a large scale capability if you have massive relational database requirements
Cloud Data Store is a NoSQL database but you can use SQL like syntax for analyis
Under Big Data we have
Google Big Query Data Warehouse
Google Pub/Sub similar to AWS SQS
Google DataFlow is an ETL product