• theatining,
• poitining,
• pertinant,
• pertenint,
• metaning,
• protaining,
• atttaining,
• hypertesnion,
• partonising,
• petioning,
• partening,
• petitoning,
• pertainint,
• pertitnant,
• peraining,
• pertinint,
• certaining,
• optainning,
• purtaining,
• bartaining,
• meetinging,
• patening,
• portaling,
• petaining,
• partnerning,
• pertaning,
• hypertenion,
• pertanient,
• pretening,
• pertininent,
• retaingin,
• retainign,
• pertainijg,
• partaining,
• patining,
• retainin,
• orteaingin,
• pertanant,
• pertainingto,
• patanizing,
• parterning,
• optaining,
• pertaiing,
• petetioning,
• pretaning,
• partnening,
• eatining,
• pertainant,
• pertainin,
• metining,
• gettining,
• pertainning,
• patrinising,
• partenign,
• pertainting,
• perforning,
• rataining,
• pertanit,
• retainging,
• pertainign,
• pertainate,
• pertainent,
• pertenient,
• pertaininng,
• pertainient,
• retainning,
• pertienent,
• pertraining,
• particing,
• pertanint,
• apartaining,
• reatining,
• portaining,
• pertinient,
• pertending,
• mataining,
• pertianing,
• maitaining,
• pertaing,
• pretaining,
• pertainig,
• puttingin,
• pertainining,
• uptaining,
• pertainging,
• packagining,
• pertinante.

10 letters

• pertaining,
• repainting.

9 letters

• parenting,
• retaining.

8 letters

• pirating,
• nigerian,
• repining,
• pregnant,
• tapering,
• neritina,
• ripening,
• triennia,
• painting,
• printing,
• training,
• arginine.