Too generic names (columns) (there is a column with a more specific name in the table)

WITH columns AS (SELECT nspname AS table_schema, relname AS table_name, 
CASE WHEN relkind='r' THEN 'BASE TABLE'
WHEN relkind='v' THEN 'VIEW'
WHEN relkind='m' THEN 'MATERIALIZED VIEW'
WHEN relkind='f' THEN 'FOREIGN TABLE'
WHEN relkind='p' THEN 'PARTITIONED TABLE'
END AS table_type, 
attname AS column_name,
pg_type.typname AS column_type,
domain_type.typname AS column_domain_type
FROM pg_class INNER JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid
INNER JOIN pg_attribute ON pg_class.oid=pg_attribute.attrelid
INNER JOIN pg_type ON pg_attribute.atttypid =pg_type.oid
LEFT JOIN pg_type AS domain_type ON domain_type.oid=pg_type.typbasetype
WHERE attnum>=1 
AND relkind IN ('r','v','m','f','p')
AND nspname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL))
SELECT c.table_schema, c.table_type, c.table_name, 
c.column_name AS suspected_name, c.column_type AS c_type, c.column_domain_type AS c_domain_type,
c2.column_name AS more_specific_name, c2.column_type AS c2_type, c2.column_domain_type AS c2_domain_type
FROM columns AS c INNER JOIN columns AS c2 USING (table_schema, table_name)
WHERE c.column_name<>c2.column_name
AND (c2.column_name ILIKE '%\_' || c.column_name 
OR c2.column_name ILIKE c.column_name || '\_%')
AND c.column_name NOT IN ('id','code','kood')
ORDER BY table_type, table_schema, table_name;