Field size is not sufficiently different in case of base table columns

WITH nimetus AS (SELECT table_schema, table_name, column_name, data_type, character_maximum_length
FROM INFORMATION_SCHEMA.columns
WHERE data_type LIKE '%char%' 
AND column_name~*'(nimi|nimetus|pealkiri|name|title)'
AND character_maximum_length IS NOT NULL AND
(table_schema, table_name) IN (SELECT table_schema, table_name
FROM INFORMATION_SCHEMA.tables WHERE table_type='BASE TABLE') AND 
table_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)),
kirjeldus AS (SELECT table_schema, table_name, column_name, data_type, character_maximum_length
FROM INFORMATION_SCHEMA.columns
WHERE data_type LIKE '%char%' 
AND column_name~*'(kirjeldus|kommentaar|selgitus|lugu|description|comment|explanation|story)'
AND character_maximum_length IS NOT NULL AND
(table_schema, table_name) IN (SELECT table_schema, table_name
FROM INFORMATION_SCHEMA.tables WHERE table_type='BASE TABLE') AND 
table_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL))
SELECT nimetus.table_schema, nimetus.table_name, 
string_agg(DISTINCT nimetus.column_name  || ' ' || nimetus.data_type || '(' || nimetus.character_maximum_length || ')',';<br>') AS columns_for_names,
string_agg(DISTINCT kirjeldus.column_name || ' ' || kirjeldus.data_type || '(' || kirjeldus.character_maximum_length || ')',';<br>') AS columns_for_descriptions
FROM nimetus, kirjeldus
WHERE nimetus.table_schema=kirjeldus.table_schema AND
nimetus.table_name=kirjeldus.table_name
AND kirjeldus.character_maximum_length<nimetus.character_maximum_length*2
GROUP BY  nimetus.table_schema, nimetus.table_name
ORDER BY nimetus.table_schema, nimetus.table_name;