This is the 13792nd most frequent German word.
erheblichem
Significant or considerable.
'erheblichem' is used as an adjective in dative case, modifying the noun 'Aufwand', emphasizing its substantial nature.
Der Plan wurde nach erheblichem Aufwand verwirklicht.
The plan was realized after significant effort.
'erheblichen' modifies 'Leistungen' in accusative plural, describing their notable quality.
Er bekam den Preis auf Grund seiner erheblichen Leistungen.
He received the award due to his considerable achievements.
In this sentence, 'erheblichen' is an adjective describing 'Meinungsverschiedenheiten' in dative plural, highlighting their significance.